American Psychological Association. (2005). Concise rules of APA style. American Psychological Association.
Citazione stile Chigago Style (17a edizione)American Psychological Association. Concise Rules of APA Style. Washington, D.C: American Psychological Association, 2005.
Citatione MLA (9a ed.)American Psychological Association. Concise Rules of APA Style. American Psychological Association, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.