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