Bertsch, G. K., Clark, R. P., & Wood, D. M. (1991). Comparing political systems: Power and policy in three worlds (4th ed.). Macmillan.
Citace podle Chicago (17th ed.)Bertsch, Gary K., Robert P. Clark, a David M. Wood. Comparing Political Systems: Power and Policy in Three Worlds. 4th ed. New York: Macmillan, 1991.
Citace podle MLA (9th ed.)Bertsch, Gary K., et al. Comparing Political Systems: Power and Policy in Three Worlds. 4th ed. Macmillan, 1991.
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