एपीए उद्धरण

Unnikrishnan, V. (1987). Texture, mineralogy and provenance of the beach sands of South Kerala. School of Marine Science, CUSAT.

शिकागो स्टाइल उद्धरण

Unnikrishnan, V.P. Texture, Mineralogy and Provenance of the Beach Sands of South Kerala. Cochin: School of Marine Science, CUSAT, 1987.

एमएलए उद्धरण

Unnikrishnan, V.P. Texture, Mineralogy and Provenance of the Beach Sands of South Kerala. School of Marine Science, CUSAT, 1987.