Govindan Nair. (2007). Complete yoga book: Poornarogyathilekkulla vazhikatti (2nd ed.). D C Books.
Chicago Style aipamenaGovindan Nair. Complete Yoga Book: Poornarogyathilekkulla Vazhikatti. 2nd ed. Kottayam: D C Books, 2007.
MLA aipamenaGovindan Nair. Complete Yoga Book: Poornarogyathilekkulla Vazhikatti. 2nd ed. D C Books, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.