You reverted me and gave a reason when I called it external links I reverted you and gave a reason again I dont see the dispute Now if you read verifiability self published sources are reliable published sources  At the other end of the reliability scale lie personal websites weblogs blogs bulletin boards and Usenet posts which are not acceptable as sources Rare exceptions may be when a wellknown professional person or acknowledged expert in a relevant field has set up a personal website using his or her real name Even then we should proceed with caution because the information has been selfpublished which means it has not been subject to any independent form of factchecking  So if the person who wrote this can be found to be an acknowledged expert in a relevent feild then it can be a reference If he has not then it can not Simple