Cita APA (7th ed.)

Arreola, E. B., Pua, K. Y., Ramos, R. C., & Reguyal, E. U. (1996). PYCOR, INC: A structured analysis. College of Engineering.

Cita Chicago (17th ed.)

Arreola, Edylil B., Kerry Y. Pua, Ronaldo C. Ramos, i Eric U. Reguyal. PYCOR, INC: A Structured Analysis. Diliman, Quezon City: College of Engineering, 1996.

Cita MLA (9th ed.)

Arreola, Edylil B., et al. PYCOR, INC: A Structured Analysis. College of Engineering, 1996.