APA aipamena

Lansford L. Lewis & Vallance A. D'Arcy. (2011). Oxford English for Careers. Oil and Gas 1. Oxford, Oxford University Press, 2011.

Chicago Style aipamena

Lansford L. Lewis and Vallance A. D'Arcy. Oxford English for Careers. Oil and Gas 1. Oxford, Oxford University Press, 2011, 2011.

MLA aipamena

Lansford L. Lewis and Vallance A. D'Arcy. Oxford English for Careers. Oil and Gas 1. Oxford, Oxford University Press, 2011, 2011.