Hariharananda Giri, S., & Yukteswar, S. (1981). Kriyayoga, the scientific process of soul-culture & the essence of all religions (2nd ed.). Karar Ashram.
Chicago-referens (17:e uppl.)Hariharananda Giri, Swami, och Swami Yukteswar. Kriyayoga, the Scientific Process of Soul-culture & the Essence of All Religions. 2nd ed. Puri: Karar Ashram, 1981.
MLA-referens (8:e uppl.)Hariharananda Giri, Swami, och Swami Yukteswar. Kriyayoga, the Scientific Process of Soul-culture & the Essence of All Religions. 2nd ed. Karar Ashram, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.