Cita APA (7th ed.)
Singh, P. (2004). A Textbook of engineering and general geology (7th ed.). S. K. Kataria Pub.
Cita Chicago (17th ed.)
Singh, Parbin. A Textbook of Engineering and General Geology. 7th ed. Delhi: S. K. Kataria Pub, 2004.
Cita MLA (9th ed.)
Singh, Parbin. A Textbook of Engineering and General Geology. 7th ed. S. K. Kataria Pub, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.