Sivasankara Pilla, P. K. (2003). Folklore padhanangal. State Institute of Languages.
シカゴスタイル引用形Sivasankara Pilla, P. K. Folklore Padhanangal. Thiruvananthapuram: State Institute of Languages, 2003.
MLA引用形式Sivasankara Pilla, P. K. Folklore Padhanangal. State Institute of Languages, 2003.
警告: この引用は必ずしも正確ではありません.