You reverted me and gave a reason when I called it external links I reverted you and gave a reason again I don t 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 well known 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 self published which means it has not been subject to any independent form of fact checking 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