Cita APA (7th ed.)

Galarosa, I., Ramirez, M. C., & Rosca, J. (1992). Hayama Industries - A production system study. College of Engineering.

Cita Chicago (17th ed.)

Galarosa, Iris, Ma. Cristina Ramirez, i James Rosca. Hayama Industries - A Production System Study. Diliman, Quezon City: College of Engineering, 1992.

Cita MLA (9th ed.)

Galarosa, Iris, et al. Hayama Industries - A Production System Study. College of Engineering, 1992.