Porter, B. E. (2009). International project management for technical professionals. ASME Press. https://doi.org/10.1115/1.802885
Chicago Style aipamenaPorter, Brian E. International Project Management for Technical Professionals. New York, NY: ASME Press, 2009. https://doi.org/10.1115/1.802885.
MLA aipamenaPorter, Brian E. International Project Management for Technical Professionals. ASME Press, 2009. https://doi.org/10.1115/1.802885.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.