APA-referens (7:e uppl.)

Marzan, R., Revilloza, R. M., & Zanoria, S. C. (2005). A methods engineering study on Renew Ventures, Inc. College of Engineering.

Chicago-referens (17:e uppl.)

Marzan, Rhamel, Rea Mae Revilloza, och Susan Claire Zanoria. A Methods Engineering Study on Renew Ventures, Inc. Diliman, Quezon City: College of Engineering, 2005.

MLA-referens (9:e uppl.)

Marzan, Rhamel, et al. A Methods Engineering Study on Renew Ventures, Inc. College of Engineering, 2005.