APA aipamena

Babu Prakash V K & Jayalekshmi P. Niyama nirmanathinte aru pathittandukal 1957-2017. Kerala Niyamasabha Secratariate.

Chicago Style aipamena

Babu Prakash V K and Jayalekshmi P. Niyama Nirmanathinte Aru Pathittandukal 1957-2017. Thiruvananthapuram: Kerala Niyamasabha Secratariate.

MLA aipamena

Babu Prakash V K and Jayalekshmi P. Niyama Nirmanathinte Aru Pathittandukal 1957-2017. Kerala Niyamasabha Secratariate.