Cita APA (7th ed.)

Lock, D. (1992). Project management (5th ed.). Gower.

Cita Chicago (17th ed.)

Lock, Dennis. Project Management. 5th ed. Aldershot, Hants, England: Gower, 1992.

Cita MLA (9th ed.)

Lock, Dennis. Project Management. 5th ed. Gower, 1992.