एपीए उद्धरण

Sukumaran, T. (1973). Happy Birthday. NBS.

शिकागो स्टाइल उद्धरण

Sukumaran, Tattapuram. Happy Birthday. Kottayam: NBS, 1973.

एमएलए उद्धरण

Sukumaran, Tattapuram. Happy Birthday. NBS, 1973.