APA aipamena

Sreedharan, P. (2008). Hridayarekha. Sankweerthanam publications.

Chicago Style aipamena

Sreedharan, Perumpadavam. Hridayarekha. Kollam: Sankweerthanam publications, 2008.

MLA aipamena

Sreedharan, Perumpadavam. Hridayarekha. Sankweerthanam publications, 2008.