National Union of Students of the United Kingdom. (1992). NUS student charter. National Union of Students.
Chicago Style (17th ed.) CitationNational Union of Students of the United Kingdom. NUS Student Charter. London: National Union of Students, 1992.
MLA引文National Union of Students of the United Kingdom. NUS Student Charter. National Union of Students, 1992.
警告:这些引文格式不一定是100%准确.