R.H.Singh. (1991). Foundations of contemporary yoga (1.). Chaukhamba Sanskrit Pratisthan.
Chicago Style aipamenaR.H.Singh. Foundations of Contemporary Yoga. 1. Delhi: Chaukhamba Sanskrit Pratisthan, 1991.
MLA aipamenaR.H.Singh. Foundations of Contemporary Yoga. 1. Chaukhamba Sanskrit Pratisthan, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.