Cita APA

De Vera, A. F., Wang, T., & Traya, L. A. (1992). An Information system study of the SPMO Procurement Section. College of Engineering.

Citación estilo Chicago

De Vera, Augusto Francis, Ting Wang, and Lloyd Apollo Traya. An Information System Study of the SPMO Procurement Section. Diliman, Quezon City: College of Engineering, 1992.

Cita MLA

De Vera, Augusto Francis, et al. An Information System Study of the SPMO Procurement Section. College of Engineering, 1992.