Willoughby, w. f. (1973). principles of public administration: with special reference to the national and state government: Of the united states. Central book depot.
Chicagoスタイル(17版)引用形式Willoughby, w f. Principles of Public Administration: With Special Reference to the National and State Government: Of the United States. Allahabad: Central book depot, 1973.
MLA(9版)引用形式Willoughby, w f. Principles of Public Administration: With Special Reference to the National and State Government: Of the United States. Central book depot, 1973.
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