Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

Sreedharan, Perumpadavam. Hridayarekha. Sankweerthanam publications, 2008.