एपीए उद्धरण

Shibu M. Paul. (1992). Trace metal speciation in the Cochin estuary. School of Marine Science, CUSAT.

शिकागो स्टाइल उद्धरण

Shibu M. Paul. Trace Metal Speciation in the Cochin Estuary. Cochin: School of Marine Science, CUSAT, 1992.

एमएलए उद्धरण

Shibu M. Paul. Trace Metal Speciation in the Cochin Estuary. School of Marine Science, CUSAT, 1992.