एपीए उद्धरण

Pradeep Kumar, P. K. (1994). Physiographic features and changes in rainfall pattern of Kerala. School of Marine Science, CUSAT.

शिकागो स्टाइल उद्धरण

Pradeep Kumar, P. K. Physiographic Features and Changes in Rainfall Pattern of Kerala. Cochin: School of Marine Science, CUSAT, 1994.

एमएलए उद्धरण

Pradeep Kumar, P. K. Physiographic Features and Changes in Rainfall Pattern of Kerala. School of Marine Science, CUSAT, 1994.