Não informado. (1978). Humanities in society. University of Southern California, Center for the Humanities.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Humanities in Society. Los Angeles, Calif: University of Southern California, Center for the Humanities, 1978.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Humanities in Society. University of Southern California, Center for the Humanities, 1978.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.