De Vera, A. F., Wang, T., & Traya, L. A. (1992). An Information system study of the SPMO Procurement Section. College of Engineering.
Chicagoスタイル(17版)引用形式De Vera, Augusto Francis, Ting Wang, , Lloyd Apollo Traya. An Information System Study of the SPMO Procurement Section. Diliman, Quezon City: College of Engineering, 1992.
MLA(9版)引用形式De Vera, Augusto Francis, et al. An Information System Study of the SPMO Procurement Section. College of Engineering, 1992.
警告: この引用は必ずしも正確ではありません.