Biton, D. P. L., Lampa, N. C., & Liwanag, K. E. (1999). An industrial quality study on Avon Products Manufacturing, Inc. College of Engineering.
Cita Chicago (17th ed.)Biton, Dennis Paul L., Nelson C. Lampa, i Kristian E. Liwanag. An Industrial Quality Study on Avon Products Manufacturing, Inc. Diliman, Quezon City: College of Engineering, 1999.
Cita MLA (9th ed.)Biton, Dennis Paul L., et al. An Industrial Quality Study on Avon Products Manufacturing, Inc. College of Engineering, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.