Haupt, A., & kane, T. T. (2000). Population hanbook.
Lua i Stíl Chicago (17ú heag.)Haupt, Arthur, agus Thomas T. kane. Population Hanbook. 2000.
Lua MLA (9ú heag.)Haupt, Arthur, agus Thomas T. kane. Population Hanbook. 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.