Não informado. (1965). ACT research report. American College Testing Program, Research and Development Division.
Chicago-referens (17:e uppl.)Não informado. ACT Research Report. Iowa City, Iowa: American College Testing Program, Research and Development Division, 1965.
MLA-referens (8:e uppl.)Não informado. ACT Research Report. American College Testing Program, Research and Development Division, 1965.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.