APA-viite (7. p.)
Cohen, R., & Middleton, J. (1967). Comparative political systems: Studies in the politics of pre-industrial societies.
Chicago-viite (17. p.)
Cohen, Ronald, ja John Middleton. Comparative Political Systems: Studies in the Politics of Pre-industrial Societies. 1967.
MLA-viite (9. p.)
Cohen, Ronald, ja John Middleton. Comparative Political Systems: Studies in the Politics of Pre-industrial Societies. 1967.
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