John M. Nicholas. (2001). Project management for business and technology. Upper Saddle River, New Jersey: Prentice-Hall.
Čikaški stil citiranjaJohn M. Nicholas. Project Management for Business and Technology. Upper Saddle River, New Jersey: Prentice-Hall, 2001.
MLA način citiranjaJohn M. Nicholas. Project Management for Business and Technology. Upper Saddle River, New Jersey: Prentice-Hall, 2001.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.