APA (7th ed.) Zitazioa
Singh, P. (2004). A Textbook of engineering and general geology (7th ed.). S. K. Kataria Pub.
Chicago Style (17th ed.) Zitazioa
Singh, Parbin. A Textbook of Engineering and General Geology. 7th ed. Delhi: S. K. Kataria Pub, 2004.
MLA (9th ed.) Zitazioa
Singh, Parbin. A Textbook of Engineering and General Geology. 7th ed. S. K. Kataria Pub, 2004.
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