Παραπομπή APA

Padmanabhan, P. (2007). Keralathile pakshikkoodukal. State Institute of Languages, Kerala.

Παραπομπή Chicago Style

Padmanabhan, P.V. Keralathile Pakshikkoodukal. Thiruvananthapuram: State Institute of Languages, Kerala, 2007.

Παραπομπή MLA

Padmanabhan, P.V. Keralathile Pakshikkoodukal. State Institute of Languages, Kerala, 2007.