Não informado. (1972). College Board News. College Entrance Examination Board.
Chicago-referens (17:e uppl.)Não informado. College Board News. New York: College Entrance Examination Board, 1972.
MLA-referens (8:e uppl.)Não informado. College Board News. College Entrance Examination Board, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.