Birch, J. (2011). The Meaning of hatha in Early Hathayoga.
Cita Chicago (17th ed.)Birch, J. The Meaning of Hatha in Early Hathayoga. 2011.
Cita MLA (9th ed.)Birch, J. The Meaning of Hatha in Early Hathayoga. 2011.
Atenció: Aquestes cites poden no estar 100% correctes.