APA aipamena

Archer, L. (1996). Oil tankers & pollution laws. Oxford Institute for Energy Studies.

Chicago Style aipamena

Archer, L. Oil Tankers & Pollution Laws. Oxford Institute for Energy Studies, 1996.

MLA aipamena

Archer, L. Oil Tankers & Pollution Laws. Oxford Institute for Energy Studies, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.