एपीए उद्धरण

lGopinathannayar, T. N. (1968). Natakannal. Sahitya Pravarthaka Co-operative Society Ltd.

शिकागो स्टाइल उद्धरण

lGopinathannayar, T N. Natakannal. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1968.

एमएलए उद्धरण

lGopinathannayar, T N. Natakannal. Sahitya Pravarthaka Co-operative Society Ltd, 1968.