Horine, G. M. (2013). Project management: Absolute beginner's guide (Third edition.). Que.
Lua i Stíl Chicago (17ú heag.)Horine, Gregory M. Project Management: Absolute Beginner's Guide. Third edition. Indianapolis, Ind.: Que, 2013.
Lua MLA (8ú heag.)Horine, Gregory M. Project Management: Absolute Beginner's Guide. Third edition. Que, 2013.
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