R.H.Singh. (1991). Foundations of contemporary yoga (1.). Chaukhamba Sanskrit Pratisthan.
Chicago Edition CitationR.H.Singh. Foundations of Contemporary Yoga. 1. Delhi: Chaukhamba Sanskrit Pratisthan, 1991.
Cita MLAR.H.Singh. Foundations of Contemporary Yoga. 1. Chaukhamba Sanskrit Pratisthan, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.