Denhardt, R. B. (1993). Theories of public organization (2nd ed.). Wadsworth.
Lua i Stíl Chicago (17ú heag.)Denhardt, Robert B. Theories of Public Organization. 2nd ed. Belmont, Calif: Wadsworth, 1993.
Lua MLA (9ú heag.)Denhardt, Robert B. Theories of Public Organization. 2nd ed. Wadsworth, 1993.
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