Roy, S. L. (1978). Diplomacy in ancient India, from the early Vedic period to the end of the sixth century A.D. A. Roy : distributors, Charu Pub. Co..
Chicago-viite (17. p.)Roy, S. L. Diplomacy in Ancient India, from the Early Vedic Period to the End of the Sixth Century A.D. Calcutta: A. Roy : distributors, Charu Pub. Co., 1978.
MLA-viite (8. p.)Roy, S. L. Diplomacy in Ancient India, from the Early Vedic Period to the End of the Sixth Century A.D. A. Roy : distributors, Charu Pub. Co., 1978.
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