Rugg, H. (1931). Culture and education in America. New York: Harcourt Brace and Company.
Παραπομπή Chicago StyleRugg, Harold. Culture and Education in America. New York: Harcourt Brace and Company, 1931.
Παραπομπή MLARugg, Harold. Culture and Education in America. New York: Harcourt Brace and Company, 1931.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.