APA (7e ed.) Bronvermelding

Esto, W., Fernandez, R. A., Nieva, J. M., Reyes, A. D., & Tan, A. (1988). Itho Rubber, Phils., Inc. a methods study. College of Engineering.

Chicago (17e ed.) Bronvermelding

Esto, Wilberto, Ray Anthony Fernandez, John Martin Nieva, Alfonso D. Reyes, en Andrew Tan. Itho Rubber, Phils., Inc. a Methods Study. Diliman, Quezon City: College of Engineering, 1988.

MLA (9e ed.) Bronvermelding

Esto, Wilberto, et al. Itho Rubber, Phils., Inc. a Methods Study. College of Engineering, 1988.