APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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.

MLA način citiranja (9. izdanje)

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