Não informado. (1908). California oil world. Petroleum Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. California Oil World. Bakersfielf, Calif: Petroleum Publishers, 1908.
Lua MLA (8ú heag.)Não informado. California Oil World. Petroleum Publishers, 1908.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.