Abrena, J., Escudero, M. B., & Nerida, K. (1999). A Production and operations management study: Cosmos Bottling Corporation. College of Engineering.
Chicago-referens (17:e uppl.)Abrena, Jasmin, Ma. Bernadette Escudero, och Kristine Nerida. A Production and Operations Management Study: Cosmos Bottling Corporation. Diliman, Quezon City: College of Engineering, 1999.
MLA-referens (9:e uppl.)Abrena, Jasmin, et al. A Production and Operations Management Study: Cosmos Bottling Corporation. College of Engineering, 1999.
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