Denhardt, R. B., & Denhardt, J. V. (2006). Public administration: An action orientation (5th ed.). Thomson/Wadsworth.
Lua i Stíl Chicago (17ú heag.)Denhardt, Robert B., agus Janet Vinzant Denhardt. Public Administration: An Action Orientation. 5th ed. Belmont, CA: Thomson/Wadsworth, 2006.
Lua MLA (8ú heag.)Denhardt, Robert B., agus Janet Vinzant Denhardt. Public Administration: An Action Orientation. 5th ed. Thomson/Wadsworth, 2006.
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