Dyfyniad APA
Gangopadhyay, S. (2013). Engineering geology. Oxford University Press.
Dyfyniad Arddull Chicago
Gangopadhyay, Subinoy. Engineering Geology. New Delhi: Oxford University Press, 2013.
Dyfyniad MLA
Gangopadhyay, Subinoy. Engineering Geology. Oxford University Press, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.