APA aipamena

Appukuttan Nair, P. (1970). Udyanakrishi. State Institute of languages.

Chicago Style aipamena

Appukuttan Nair, P. Udyanakrishi. Trivandrum: State Institute of languages, 1970.

MLA aipamena

Appukuttan Nair, P. Udyanakrishi. State Institute of languages, 1970.