Haber, A. (1979). General Statistics Audrey Haber And Richard P. Runyon. Addison - wesley.
Lua i Stíl Chicago (17ú heag.)Haber, Audrey. General Statistics Audrey Haber And Richard P. Runyon. Addison - wesley, 1979.
Lua MLA (8ú heag.)Haber, Audrey. General Statistics Audrey Haber And Richard P. Runyon. Addison - wesley, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.