APA-referens (7:e uppl.)

Olvidado, I., Po, R., Tan, K., & Tiongson, C. (2003). An Industrial systems design on Walter Mart (E. Rodriguez Branch). College of Engineering.

Chicago-referens (17:e uppl.)

Olvidado, Ingrid, Ronald Po, Katheryn Tan, och Ciselle Tiongson. An Industrial Systems Design on Walter Mart (E. Rodriguez Branch). Diliman, Quezon City: College of Engineering, 2003.

MLA-referens (9:e uppl.)

Olvidado, Ingrid, et al. An Industrial Systems Design on Walter Mart (E. Rodriguez Branch). College of Engineering, 2003.