Some professors like to read work that is double-spaced. At a minimum, include additional white space between paragraphs to make these separate thoughts stand out on the page. Some people think single spaced text with ample white space to mark the paragraphs and no indentation of the individual paragraphs looks more professional than double-spacing or indenting. Single spacing uses less paper overall. Please staple pages together.
Unstapled papers are unprofessional and extremely irritating to handle in the workplace.
Loose pages are easily lost and misplaced, causing problems to readers. As a rule of thumb, always number your pages when you have more than one page to a paper or letter. In the workplace, page numbers become important for documents that must be copied and sent to many people. Readers find knowing who has written a document, the general subject of the document, the date on which the document was written, and whether or not the document is a draft or has a version number very useful. Completeness Be sure to include references in the text of your paper and a bibliography with all referenced works.