Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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