Hariharananda Giri, S., & Yukteswar, S. (1981). Kriyayoga, the scientific process of soul-culture & the essence of all religions (2nd ed.). Karar Ashram.
Chicago-viite (17. p.)Hariharananda Giri, Swami, ja Swami Yukteswar. Kriyayoga, the Scientific Process of Soul-culture & the Essence of All Religions. 2nd ed. Puri: Karar Ashram, 1981.
MLA-viite (8. p.)Hariharananda Giri, Swami, ja Swami Yukteswar. Kriyayoga, the Scientific Process of Soul-culture & the Essence of All Religions. 2nd ed. Karar Ashram, 1981.
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