Schwartz, B. M. (2012). An easy guide to APA style. SAGE.
Lua i Stíl Chicago (17ú heag.)Schwartz, Beth M. An Easy Guide to APA Style. London: SAGE, 2012.
Lua MLA (9ú heag.)Schwartz, Beth M. An Easy Guide to APA Style. SAGE, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.