Sanal Kumar Thamburan, R. (1993). Vatakkunnathan ksetram - a study.
Chicago Edition CitationSanal Kumar Thamburan, Ravivarma. Vatakkunnathan Ksetram - a Study. 1993.
MLA引文Sanal Kumar Thamburan, Ravivarma. Vatakkunnathan Ksetram - a Study. 1993.
警告：這些引文格式不一定是100％准確.