Hardwick. (1966). Administrative strategy and decision making (2nd.). S.Wesrwen Pub. Co.
Lua i Stíl Chicago (17ú heag.)Hardwick. Administrative Strategy and Decision Making. 2nd. Ohio: S.Wesrwen Pub. Co, 1966.
Lua MLA (9ú heag.)Hardwick. Administrative Strategy and Decision Making. 2nd. S.Wesrwen Pub. Co, 1966.
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