एपीए उद्धरण

N.W.Gokhale. (1996). Exercises on Geological Maps and DIP-Strike Problems. CBS.

शिकागो स्टाइल उद्धरण

N.W.Gokhale. Exercises on Geological Maps and DIP-Strike Problems. NewDelhi: CBS, 1996.

एमएलए उद्धरण

N.W.Gokhale. Exercises on Geological Maps and DIP-Strike Problems. CBS, 1996.