Ranaprathapan,K S, & Translator. (1990). Ganitham 4. State institute of languages.
Chicago Edition CitationRanaprathapan,K S, and Translator. Ganitham 4. Trivandrum: State institute of languages, 1990.
MLA引文Ranaprathapan,K S, and Translator. Ganitham 4. State institute of languages, 1990.
警告:這些引文格式不一定是100%准確.