Rigopoulos, A. (1998). Dattātreya: The immortal guru, yogin, and avatāra : a study of the tranformative and inclusive character of a multi-faceted Hindo deity. State University of New York Press.

Rigopoulos, Antonio. Dattātreya: The Immortal Guru, Yogin, and Avatāra : A Study of the Tranformative and Inclusive Character of a Multi-faceted Hindo Deity. Albany: State University of New York Press, 1998.

Rigopoulos, Antonio. Dattātreya: The Immortal Guru, Yogin, and Avatāra : A Study of the Tranformative and Inclusive Character of a Multi-faceted Hindo Deity. State University of New York Press, 1998.