Não informado. (1952). Personnel and Guidance Journal. American Personnel and Guidance Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Personnel and Guidance Journal. Alexandria, Va: American Personnel and Guidance Association, 1952.
MLA-Zitierstil (8. Ausg.)Não informado. Personnel and Guidance Journal. American Personnel and Guidance Association, 1952.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.