APA (7. basım) Alıntı

Pacheco, E. S. (1983). Six semesters of PSI: A evaluation. Philippine Engineering Journal.

Chicago Style (17. basım) Atıf

Pacheco, Edgardo S. "Six Semesters of PSI: A Evaluation." Philippine Engineering Journal 1983.

MLA (9th ed.) Atıf

Pacheco, Edgardo S. "Six Semesters of PSI: A Evaluation." Philippine Engineering Journal, 1983.