APA-referens (7:e uppl.)

GAlema, N. F. B., Juan, M. J. M., Marquez, D. E., & Sim, E. G. (2003). A Total systems study on Abenson, Inc. College of Engineering.

Chicago-referens (17:e uppl.)

GAlema, Nittanee Frances B., Maria Jann-Ella M. Juan, Diana E. Marquez, och Eleanor G. Sim. A Total Systems Study on Abenson, Inc. Diliman, Quezon City: College of Engineering, 2003.

MLA-referens (8:e uppl.)

GAlema, Nittanee Frances B., et al. A Total Systems Study on Abenson, Inc. College of Engineering, 2003.