APA aipamena

P. P. K. (1980). Prakrithi Nammude. Kerala Sasthra Sahithya Parishath.

Chicago Style aipamena

P. P. K. Prakrithi Nammude. Thiruvananthapuram: Kerala Sasthra Sahithya Parishath, 1980.

MLA aipamena

P. P. K. Prakrithi Nammude. Kerala Sasthra Sahithya Parishath, 1980.