Taran Singh. (1981). Sikh Gurus and the Indian spiritual thought. Publication Bureau, Punjabi University.
Chicago-viite (17. p.)Taran Singh. Sikh Gurus and the Indian Spiritual Thought. Patiala: Publication Bureau, Punjabi University, 1981.
MLA-viite (8. p.)Taran Singh. Sikh Gurus and the Indian Spiritual Thought. Publication Bureau, Punjabi University, 1981.
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