एपीए उद्धरण

Vishnu Namboothiri, M. [. (2005). Utharakeralathile thottampattukal (2nd ed.). Kerala Sahitya Academi.

शिकागो स्टाइल उद्धरण

Vishnu Namboothiri, M.V. [comp.]. Utharakeralathile Thottampattukal. 2nd ed. Thrissur: Kerala Sahitya Academi, 2005.

एमएलए उद्धरण

Vishnu Namboothiri, M.V. [comp.]. Utharakeralathile Thottampattukal. 2nd ed. Kerala Sahitya Academi, 2005.