APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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