APA-referens (7:e uppl.)

Garcia, B. M., Lim, F. I. B., & Oberio, E. R. (1999). A methods engineering study on ROMYNET Enterprises. College of Engineering.

Chicago-referens (17:e uppl.)

Garcia, Blessie Marie, Fritz Ivan B. Lim, och Erika R. Oberio. A Methods Engineering Study on ROMYNET Enterprises. Diliman, Quezon City: College of Engineering, 1999.

MLA-referens (9:e uppl.)

Garcia, Blessie Marie, et al. A Methods Engineering Study on ROMYNET Enterprises. College of Engineering, 1999.