Sivasankara Pilla, P. K. (2003). Folklore padhanangal. State Institute of Languages.
Chicago Edition CitationSivasankara Pilla, P. K. Folklore Padhanangal. Thiruvananthapuram: State Institute of Languages, 2003.
Cita MLASivasankara Pilla, P. K. Folklore Padhanangal. State Institute of Languages, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.