APA aipamena

Venugopalan P. (2011). O N V ente gurunathan. D C Books.

Chicago Style aipamena

Venugopalan P. O N V Ente Gurunathan. Kottayam: D C Books, 2011.

MLA aipamena

Venugopalan P. O N V Ente Gurunathan. D C Books, 2011.