APA (7th ed.) Zitazioa
Singh, P. (2013). A textbook of engineering and general geology (8th rev ed.). S.K.Kataria & Sons.
Chicago Style (17th ed.) Zitazioa
Singh, Prabin. A Textbook of Engineering and General Geology. 8th rev ed. New Delhi: S.K.Kataria & Sons, 2013.
MLA (9th ed.) Zitazioa
Singh, Prabin. A Textbook of Engineering and General Geology. 8th rev ed. S.K.Kataria & Sons, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.