Não informado. (1940). Journal of College Placement. College Placement Council.
Chicago-referens (17:e uppl.)Não informado. Journal of College Placement. Bethlehem, Pa: College Placement Council, 1940.
MLA-referens (8:e uppl.)Não informado. Journal of College Placement. College Placement Council, 1940.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.