Sahadevan Pavumba. (2013). Swathathriathinte thathwasastram. Pheonix Books.
Chicago Style aipamenaSahadevan Pavumba. Swathathriathinte Thathwasastram. Karunagappally: Pheonix Books, 2013.
MLA aipamenaSahadevan Pavumba. Swathathriathinte Thathwasastram. Pheonix Books, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.