Write an article based on this summary:

Determine the type of references you need. Pick the right people. Update your resume.

Article:
There different types of references, depending on the position for which you're applying. References can also take one of several forms. Phone calls, emails, questionnaires, and letters of recommendation are all common. Be sure to review the applications instructions carefully to make sure that you secure the right kind of reference. The most common type of reference is a professional reference. In this case, your referee should be able to attest to your ability to get the job done. Another common type of reference is a personal reference. In this case, your referee should be able to attest to your character. If you have a LinkedIn profile, you have the option of obtaining a LinkedIn recommendation. Different reference types often require people to serve as referees. Make sure that the person you're asking can provide you with kind of reference you need. Ask yourself, "Who will be most able to discuss my qualifications for this position?" Don't limit yourself to former or current employers. Co-workers, former teachers and professors, ministers, and even your attorney might be able provide you with a strong reference. If you're applying for multiple positions, consider asking different people to serve as referees for different positions. Make a list of reasons why you're asking a particular person to be a referee for you. Include details like the basis and extent of his or her relationship with you, his or her professional qualifications, and the kinds of things he or she will be able to say about you. Not only will this list help you narrow down your list of potential referees, it will also come in handy when you actually ask for references. This might seem like a no-brainer. However, you're going to want to provide your potential referees with useful information about yourself. An updated resume will serve them better than an out-of-date one.