APA

(1970). Visvavijnanakosham, Vol.04 (m). : Sahithya Pravarthaka Co-operative Society Ltd., Kottayam.

Chicago

1970. Visvavijnanakosham, Vol.04 (m). : Sahithya Pravarthaka Co-operative Society Ltd., Kottayam.

Harvard

(1970). Visvavijnanakosham, Vol.04 (m). : Sahithya Pravarthaka Co-operative Society Ltd., Kottayam.

MLA

Visvavijnanakosham, Vol.04 (m). : Sahithya Pravarthaka Co-operative Society Ltd., Kottayam. 1970.