Lua APA (7ú heag.)

LONGMAN. (1983). Financial times oil and gas international year book 1983. Longmans Inc.

Lua i Stíl Chicago (17ú heag.)

LONGMAN. Financial Times Oil and Gas International Year Book 1983. Longmans Inc, 1983.

Lua MLA (8ú heag.)

LONGMAN. Financial Times Oil and Gas International Year Book 1983. Longmans Inc, 1983.

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