Chopra, D., & Simon, D. (2004). The seven spiritual laws of yoga: Practical guide to healing body, mind, and spirit. John Wiley & Sons.
Citazione stile Chigago Style (17a edizione)Chopra, Deepak, e David Simon. The Seven Spiritual Laws of Yoga: Practical Guide to Healing Body, Mind, and Spirit. Hoboken: John Wiley & Sons, 2004.
Citatione MLA (9a ed.)Chopra, Deepak, e David Simon. The Seven Spiritual Laws of Yoga: Practical Guide to Healing Body, Mind, and Spirit. John Wiley & Sons, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.