APA-referens (7:e uppl.)

Almada, A. G. C., Navarro, C. C. B., & Yumul, L. E. C. (2004). A methods engineering study on Filipinas Shutters Incorporated. College of Engineering.

Chicago-referens (17:e uppl.)

Almada, Aleli Glaiza Co, Charles Cole Bautista Navarro, och Lemuel Eric Clutario Yumul. A Methods Engineering Study on Filipinas Shutters Incorporated. Diliman, Quezon City: College of Engineering, 2004.

MLA-referens (9:e uppl.)

Almada, Aleli Glaiza Co, et al. A Methods Engineering Study on Filipinas Shutters Incorporated. College of Engineering, 2004.