Não informado. (1902). Yearbook of the National Society for the Study of Education. University of Chicago Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Yearbook of the National Society for the Study of Education. Chicago, Ill: University of Chicago Press, 1902.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Yearbook of the National Society for the Study of Education. University of Chicago Press, 1902.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.