APA-referens (7:e uppl.)

Botuyan, M. J., Pascual, K., Rivera, R., & Sy, B. (1991). A Methods study on A.G. Soriano Corporation. College of Engineering.

Chicago-referens (17:e uppl.)

Botuyan, Mary Jean, Kathleen Pascual, Ruby Rivera, och Bernabeth Sy. A Methods Study on A.G. Soriano Corporation. Diliman, Quezon City: College of Engineering, 1991.

MLA-referens (9:e uppl.)

Botuyan, Mary Jean, et al. A Methods Study on A.G. Soriano Corporation. College of Engineering, 1991.