Eble, K. E. (1966). A perfect education. Collier Books.
Cita Chicago (17th ed.)Eble, Kenneth Eugene. A Perfect Education. New York: Collier Books, 1966.
Cita MLA (9th ed.)Eble, Kenneth Eugene. A Perfect Education. Collier Books, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.