Swami Tapasyananda. (2015). Four Yogas of Swami Vivekananda (4th.). Advaita Ashrama.
Cita Chicago (17th ed.)Swami Tapasyananda. Four Yogas of Swami Vivekananda. 4th. Advaita Ashrama, 2015.
Cita MLA (9th ed.)Swami Tapasyananda. Four Yogas of Swami Vivekananda. 4th. Advaita Ashrama, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.