Cita APA (7th ed.)
Singh, P. (2012). A textbook of engineering and general geology (8th rev ed.). S. K. Kataria & Sons.
Cita Chicago (17th ed.)
Singh, Parbin. A Textbook of Engineering and General Geology. 8th rev ed. New Delhi: S. K. Kataria & Sons, 2012.
Cita MLA (9th ed.)
Singh, Parbin. A Textbook of Engineering and General Geology. 8th rev ed. S. K. Kataria & Sons, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.