Mananquil, I. M., Ramiscal, E. A. S., & De Villa, O. L. (2004). A methods engineering study on Precision Crestec, Inc. College of Engineering.
Cita Chicago (17th ed.)Mananquil, Iris Mae, Edgar Allan S. Ramiscal, i Ommaric L. De Villa. A Methods Engineering Study on Precision Crestec, Inc. Diliman, Quezon City: College of Engineering, 2004.
Cita MLA (9th ed.)Mananquil, Iris Mae, et al. A Methods Engineering Study on Precision Crestec, Inc. College of Engineering, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.