Não informado. (1969). Change: The magazine of higher learning. Heldref Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Change: The Magazine of Higher Learning. Washington: Heldref Publications, 1969.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Change: The Magazine of Higher Learning. Heldref Publications, 1969.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.