Não informado. (1965). ACT research report. American College Testing Program, Research and Development Division.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. ACT Research Report. Iowa City, Iowa: American College Testing Program, Research and Development Division, 1965.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. ACT Research Report. American College Testing Program, Research and Development Division, 1965.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.