APA (7th ed.) Citation

Cruz, V. J. F. (1991). A Study of a purchasing system. College of Engineering.

Chicago Style (17th ed.) Citation

Cruz, Victoria Jocelyn F. A Study of a Purchasing System. Diliman, Quezon City: College of Engineering, 1991.

MLA (9th ed.) Citation

Cruz, Victoria Jocelyn F. A Study of a Purchasing System. College of Engineering, 1991.