Cita APA (7a ed.)

(2001). Vol. 99, № 49; OiL and Gas journal. 2001.

Cita Chicago Style (17a ed.)

Vol. 99, № 49; OiL and Gas Journal. 2001, 2001.

Cita MLA (9a ed.)

Vol. 99, № 49; OiL and Gas Journal. 2001, 2001.