Não informado. (1928). American school and university. Educational Division of North American.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. American School and University. Philadelphia, Pa: Educational Division of North American, 1928.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. American School and University. Educational Division of North American, 1928.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.
