Joshi, K. (1991). Speaking of yoga and nature-cure therapy. Sterling.
Citazione stile Chigago Style (17a edizione)Joshi, K.S. Speaking of Yoga and Nature-cure Therapy. New Delhi: Sterling, 1991.
Citatione MLA (9a ed.)Joshi, K.S. Speaking of Yoga and Nature-cure Therapy. Sterling, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.