Upham, S. (1990). The evolution of political systems: Sociopolitics in small-scale sedentary societies. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Upham, Steadman. The Evolution of Political Systems: Sociopolitics in Small-scale Sedentary Societies. Cambridge: Cambridge University Press, 1990.
MLA način citiranja (9. izdanje)Upham, Steadman. The Evolution of Political Systems: Sociopolitics in Small-scale Sedentary Societies. Cambridge University Press, 1990.
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