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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSingh, 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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSingh, 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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