Não informado. Psychological monographs: General and applied. American Psychological Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Psychological Monographs: General and Applied. Washington: American Psychological Association.
MLA-Zitierstil (8. Ausg.)Não informado. Psychological Monographs: General and Applied. American Psychological Association.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.