Lock, D. (1994). Handbook of project management (2 edition.).
Chicago Style aipamenaLock, Dennis. Handbook of Project Management. 2 edition. Jaico Pub: Mumbai, 1994.
MLA aipamenaLock, Dennis. Handbook of Project Management. 2 edition. 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.