Banks, A. S., & Textor, R. B. (1963). A cross-Polity syrvey. Cambridge: Massachusetts Institute of Technology.
Παραπομπή Chicago StyleBanks, Arthur S., and Robert B. Textor. A Cross-Polity Syrvey. Cambridge: Massachusetts Institute of Technology, 1963.
Παραπομπή MLABanks, Arthur S., and Robert B. Textor. A Cross-Polity Syrvey. Cambridge: Massachusetts Institute of Technology, 1963.
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