Thilakan, B. (1991). Sreemad bhagavat geetha rahasyam: Karma yoga sastram tr by Narendran Bhushan. Sahitya pravarthaka sakakarana sangam.
Chicago Edition CitationThilakan, Balagangathara. Sreemad Bhagavat Geetha Rahasyam: Karma Yoga Sastram Tr by Narendran Bhushan. Kottayam: Sahitya pravarthaka sakakarana sangam, 1991.
MLA Edition CitationThilakan, Balagangathara. Sreemad Bhagavat Geetha Rahasyam: Karma Yoga Sastram Tr by Narendran Bhushan. Sahitya pravarthaka sakakarana sangam, 1991.
Warning: These citations may not always be 100% accurate.