APA (7th ed.) Zitazioa

Lock, D. (2001). The Essentials of project management. Gower.

Chicago Style (17th ed.) Zitazioa

Lock, Dennis. The Essentials of Project Management. Hampshire: Gower, 2001.

MLA (9th ed.) Zitazioa

Lock, Dennis. The Essentials of Project Management. Gower, 2001.