Apter, D. E. (1977). Introduction to political analysis. Winthrop Publishers, Inc.
Chicago Style (17. basım) AtıfApter, David Ernest. Introduction to Political Analysis. Cambridge, Mass: Winthrop Publishers, Inc, 1977.
MLA (9th ed.) AtıfApter, David Ernest. Introduction to Political Analysis. Winthrop Publishers, Inc, 1977.
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