Students, I. U. o. (1981). 35th Anniversary of the International Union of Students 1946-1981 (35. Jahrestag der internationalen Studentenunion 1946-1981).
Chicago Style (17th ed.) CitationStudents, International Union of. 35th Anniversary of the International Union of Students 1946-1981 (35. Jahrestag Der Internationalen Studentenunion 1946-1981). 1981.
MLA (8th ed.) CitationStudents, International Union of. 35th Anniversary of the International Union of Students 1946-1981 (35. Jahrestag Der Internationalen Studentenunion 1946-1981). 1981.
Warning: These citations may not always be 100% accurate.