(1973). Vol. 71, № 5; OiL and Gas journal. 1973.
Cita Chicago (17th ed.)Vol. 71, № 5; OiL and Gas Journal. 1973, 1973.
Cita MLA (9th ed.)Vol. 71, № 5; OiL and Gas Journal. 1973, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)