Cita APA (7th ed.)
Chugh,C.P. (1992). High technology in drilling and exploration. Oxford & IBH Pub.
Cita Chicago (17th ed.)
Chugh,C.P. High Technology in Drilling and Exploration. New Delhi: Oxford & IBH Pub, 1992.
Cita MLA (9th ed.)
Chugh,C.P. High Technology in Drilling and Exploration. Oxford & IBH Pub, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.