Birch, J. (2011). The Meaning of hatha in Early Hathayoga.
Chicago-čujuhus (17. p.)Birch, J. The Meaning of Hatha in Early Hathayoga. 2011.
MLA-čujuhus (9. p.)Birch, J. The Meaning of Hatha in Early Hathayoga. 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.