(1969). Useful citizens in action: A textbook in character education and citizenship training. Alemar-Phoenix.
Chicago-Zitierstil (17. Ausg.)Useful Citizens in Action: A Textbook in Character Education and Citizenship Training. Quezon City: Alemar-Phoenix, 1969.
MLA-Zitierstil (9. Ausg.)Useful Citizens in Action: A Textbook in Character Education and Citizenship Training. Alemar-Phoenix, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.