Hilsman, R., Gaughran, L., & Weitsman, P. A. (1992). The politics of policy making in defense and foreign affairs: Conceptual models and bureaucratic politics (3rd ed.). Prentice Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHilsman, Roger, Laura Gaughran, और Patricia A. Weitsman. The Politics of Policy Making in Defense and Foreign Affairs: Conceptual Models and Bureaucratic Politics. 3rd ed. Englewood Cliffs, N.J: Prentice Hall, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHilsman, Roger, et al. The Politics of Policy Making in Defense and Foreign Affairs: Conceptual Models and Bureaucratic Politics. 3rd ed. Prentice Hall, 1992.
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