Singh, G. P. (2005). Political thought in ancient India: Emergence of the state, evolution of kinship and inter-state relations based on the Saptanga theory of state. D.K. Printworld.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, G. P. Political Thought in Ancient India: Emergence of the State, Evolution of Kinship and Inter-state Relations Based on the Saptanga Theory of State. D.K. Printworld, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingh, G. P. Political Thought in Ancient India: Emergence of the State, Evolution of Kinship and Inter-state Relations Based on the Saptanga Theory of State. D.K. Printworld, 2005.
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