एपीए उद्धरण

Narayana Menon ,Vallathol. (1975). Vallatholinte padhyakrithikal. National Book Stall.

शिकागो स्टाइल उद्धरण

Narayana Menon ,Vallathol. Vallatholinte Padhyakrithikal. National Bk Stall Kottayam: National Book Stall, 1975.

एमएलए उद्धरण

Narayana Menon ,Vallathol. Vallatholinte Padhyakrithikal. National Book Stall, 1975.