एपीए उद्धरण

Parameswaran Nair, P. K. S. T. Malayala sahitya charithrangal (m).

शिकागो स्टाइल उद्धरण

Parameswaran Nair, P. K. Smarama Trust. Malayala Sahitya Charithrangal (m).

एमएलए उद्धरण

Parameswaran Nair, P. K. Smarama Trust. Malayala Sahitya Charithrangal (m).