APA-referens (7:e uppl.)

Aborde, J. M., Escobar, C. M. D., & Pascual, M. E. (2002). A Methods engineering study on The House of Precast. College of Engineering.

Chicago-referens (17:e uppl.)

Aborde, Jañina Marie, Cristine Marie D. Escobar, och Murphy E. Pascual. A Methods Engineering Study on The House of Precast. Diliman, Quezon City: College of Engineering, 2002.

MLA-referens (9:e uppl.)

Aborde, Jañina Marie, et al. A Methods Engineering Study on The House of Precast. College of Engineering, 2002.