एपीए उद्धरण

E M S Namboothirippad. (1981). Keralam Malayalikalude Mathrbhoomi (Ist.). Kerala Grandhashala.

शिकागो स्टाइल उद्धरण

E M S Namboothirippad. Keralam Malayalikalude Mathrbhoomi. Ist. Tvpm: Kerala Grandhashala, 1981.

एमएलए उद्धरण

E M S Namboothirippad. Keralam Malayalikalude Mathrbhoomi. Ist. Kerala Grandhashala, 1981.