APTER, D. E. (1981). Introduction to political analysis.: APTER, David Ernest, 1924-. Prentice-Hall of India.
Tohutoru Kātū Chicago (17th ed.)APTER, David Ernest. Introduction to Political Analysis.: APTER, David Ernest, 1924-. New Delhi: Prentice-Hall of India, 1981.
Tohutoro MLA (9th ed.)APTER, David Ernest. Introduction to Political Analysis.: APTER, David Ernest, 1924-. Prentice-Hall of India, 1981.
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