APA (7e ed.) Bronvermelding

Não informado. (2011). Professional Psychology, Research and Practice. American Psychological Association.

Chicago (17e ed.) Bronvermelding

Não informado. Professional Psychology, Research and Practice. Arlington, Va: American Psychological Association, 2011.

MLA (8e ed.) Bronvermelding

Não informado. Professional Psychology, Research and Practice. American Psychological Association, 2011.

Let op: Deze citaties zijn niet altijd 100% accuraat.