Krishna Pilla,Nalankal. (1972). Ratna kankanam. Vidyarthimitram.
Chicago Edition CitationKrishna Pilla,Nalankal. Ratna Kankanam. Vidyarthimitram, 1972.
MLA引文Krishna Pilla,Nalankal. Ratna Kankanam. Vidyarthimitram, 1972.
警告：這些引文格式不一定是100％准確.
APA引文