Haynes, M. E. (1996). Project management (Rev. ed.). Crisp Publications.
Lua i Stíl Chicago (17ú heag.)Haynes, Marion E. Project Management. Rev. ed. Menlo Park, Calif: Crisp Publications, 1996.
Lua MLA (9ú heag.)Haynes, Marion E. Project Management. Rev. ed. Crisp Publications, 1996.
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