APA引文

Siongco, N., Ignacio, D., Limjoco, A., & Del Rosario, C. (1990). Ortigas & Co. Limited Partnership: A systems analysis. College of Engineering.

芝加哥风格引文

Siongco, Nilo, Dick Ignacio, Anna Limjoco, 与 Cecile Del Rosario. Ortigas & Co. Limited Partnership: A Systems Analysis. Diliman, Quezon City: College of Engineering, 1990.

MLA引文

Siongco, Nilo, et al. Ortigas & Co. Limited Partnership: A Systems Analysis. College of Engineering, 1990.