Lua APA (7ú heag.)

Crofton, I. (1990). The Guinness encyclopedia. Guiness Publishing.

Lua i Stíl Chicago (17ú heag.)

Crofton, Ian،. The Guinness Encyclopedia. London: Guiness Publishing, 1990.

Lua MLA (9ú heag.)

Crofton, Ian،. The Guinness Encyclopedia. Guiness Publishing, 1990.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.