Reyes, C., Salazar, K., & Silvestre, A. (2005). A methods engineering study on Vibelle Manufacturing Corporation. College of Engineering.
Παραπομπή σε μορφή Chicago (17η εκδ.)Reyes, Cheryl, Kris Salazar, και Anais Silvestre. A Methods Engineering Study on Vibelle Manufacturing Corporation. Diliman, Quezon City: College of Engineering, 2005.
Παραπομπή σε μορφή MLA (9th εκδ.)Reyes, Cheryl, et al. A Methods Engineering Study on Vibelle Manufacturing Corporation. College of Engineering, 2005.
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