Gray,Clifford F. (2014). Project management: The managerial process (6th ed.). Mc Graw Hill Education(india).
Čikaški stil citiranjaGray,Clifford F. Project Management: The Managerial Process. 6th ed. New Delhi: Mc Graw Hill Education(india), 2014.
MLA način citiranjaGray,Clifford F. Project Management: The Managerial Process. 6th ed. Mc Graw Hill Education(india), 2014.
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