Nicholas, J. M., & Steyn, H. (2008). Project management for business, engineering, and technology: Principles and practice (3rd ed.). Elsevier Butterworth Heinemann ; Elsevier.
Lua i Stíl Chicago (17ú heag.)Nicholas, John M., agus Herman Steyn. Project Management for Business, Engineering, and Technology: Principles and Practice. 3rd ed. Amsterdam ; Boston : New Delhi: Elsevier Butterworth Heinemann ; Elsevier, 2008.
Lua MLA (8ú heag.)Nicholas, John M., agus Herman Steyn. Project Management for Business, Engineering, and Technology: Principles and Practice. 3rd ed. Elsevier Butterworth Heinemann ; Elsevier, 2008.
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