(1970). Management By Objectives In Action Editor By John W. Humble. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Management By Objectives In Action Editor By John W. Humble. McGraw-Hill, 1970.
MLA način citiranja (8. izdanje)Management By Objectives In Action Editor By John W. Humble. McGraw-Hill, 1970.
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