Doniger 2003, стр. i. Doniger, Wendy (2003). Kamasutra - Oxford World's Classics. Oxford University Press. стр. i. ISBN978-0-19-283982-4. „'The Kamasutra is the oldest extant Hindu textbook of erotic love. It was composed in Sanskrit, the literary language of ancient India, probably in North India and probably sometime in the third century'”
