एपीए उद्धरण

George Onakkur. (1977). Kalthamara. National Book Stall.

शिकागो स्टाइल उद्धरण

George Onakkur. Kalthamara. Kottayam: National Book Stall, 1977.

एमएलए उद्धरण

George Onakkur. Kalthamara. National Book Stall, 1977.