TEAD, O. (1951). Art of administration. MaGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)TEAD, Ordway. Art of Administration. New York: MaGraw-Hill, 1951.
Tohutoro MLA (9th ed.)TEAD, Ordway. Art of Administration. MaGraw-Hill, 1951.
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