APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

Sreedharan, Perumpadavam. Hridayarekha. Sankweerthanam publications, 2008.