Casinto, G. D., Tamayao, M. M., & Velasco, V. G. B. (2007). A statistical quality control study on Magiclean Corporation. College of Engineering.
Chicago-referens (17:e uppl.)Casinto, Gerly D., Mili-Ann M. Tamayao, och Vida Gracia B. Velasco. A Statistical Quality Control Study on Magiclean Corporation. Diliman, Quezon City: College of Engineering, 2007.
MLA-referens (9:e uppl.)Casinto, Gerly D., et al. A Statistical Quality Control Study on Magiclean Corporation. College of Engineering, 2007.
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