एपीए उद्धरण

N Prabhakaran. Theeyoor Rekhakal. DC Books.

शिकागो स्टाइल उद्धरण

N Prabhakaran. Theeyoor Rekhakal. Kottayam: DC Books.

एमएलए उद्धरण

N Prabhakaran. Theeyoor Rekhakal. DC Books.