American Psychological Association. (2005). Concise rules of APA style. American Psychological Association.
Lua i Stíl Chicago (17ú heag.)American Psychological Association. Concise Rules of APA Style. Washington, D.C: American Psychological Association, 2005.
Lua MLA (9ú heag.)American Psychological Association. Concise Rules of APA Style. American Psychological Association, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.