Lua APA (7ú heag.)

Não informado. (1971). Pacific oil world. Petroleum Publishers.

Lua i Stíl Chicago (17ú heag.)

Não informado. Pacific Oil World. Los Angeles, Calif: Petroleum Publishers, 1971.

Lua MLA (8ú heag.)

Não informado. Pacific Oil World. Petroleum Publishers, 1971.

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