Citazione Stile APA (7a Edizione)

Nicholas, J. M., & Steyn, H. (2008). Project management for business, engineering, and technology: Principles and practice (3rd ed.). Elsevier.

Citazione stile Chigago Style (17a edizione)

Nicholas, John M., e Herman Steyn. Project Management for Business, Engineering, and Technology: Principles and Practice. 3rd ed. Amsterdam: Elsevier, 2008.

Citatione MLA (9a ed.)

Nicholas, John M., e Herman Steyn. Project Management for Business, Engineering, and Technology: Principles and Practice. 3rd ed. Elsevier, 2008.