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