एपीए उद्धरण

Tarbuck, E. J. (2009). The earth: An introduction to physical geology. Columbus: C.E. Merrill Pub. Co.

शिकागो स्टाइल उद्धरण

Tarbuck, Edward J. The Earth: An Introduction to Physical Geology. Columbus: C.E. Merrill Pub. Co, 2009.

एमएलए उद्धरण

Tarbuck, Edward J. The Earth: An Introduction to Physical Geology. Columbus: C.E. Merrill Pub. Co, 2009.