Summer, C. E., & O'Connell, J. J. (1964). The managerial mind: Science and theory in policy decisions. Irwin.
Chicago Style (17. basım) AtıfSummer, Charles E., ve Jeremiah J. O'Connell. The Managerial Mind: Science and Theory in Policy Decisions. Homewood, Ill.: Irwin, 1964.
MLA (8th ed.) AtıfSummer, Charles E., ve Jeremiah J. O'Connell. The Managerial Mind: Science and Theory in Policy Decisions. Irwin, 1964.
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