Style de citation APA (7e éd.)

Baligod, R., Librando, Z. C., Rigor, M. M., & Sabareza, M. G. V. (1997). A Service system study on Utility XYZ. College of Engineering.

Style de citation Chicago (17e éd.)

Baligod, Robin, Zeerynah C. Librando, May M. Rigor, et Ma. Genaline V. Sabareza. A Service System Study on Utility XYZ. Diliman, Quezon City: College of Engineering, 1997.

Style de citation MLA (9e éd.)

Baligod, Robin, et al. A Service System Study on Utility XYZ. College of Engineering, 1997.