एपीए उद्धरण

Pothuval , P. K. (2015). Silent spring enna pusthakathiloode oru yathra. Chintha pub.

शिकागो स्टाइल उद्धरण

Pothuval , P K. Silent Spring Enna Pusthakathiloode Oru Yathra. Thiruvananthapuram: Chintha pub, 2015.

एमएलए उद्धरण

Pothuval , P K. Silent Spring Enna Pusthakathiloode Oru Yathra. Chintha pub, 2015.