Carrero, G. T., Ty, L. B. E., & Villanueva, F. C. (1999). Nation Paper Products and Printing Corporation: A production and operations management study. College of Engineering.
Čikaški stil citiranja (17. izdanje)Carrero, Geraldine T., Laura Blossom E. Ty, i Farrah C. Villanueva. Nation Paper Products and Printing Corporation: A Production and Operations Management Study. Diliman, Quezon City: College of Engineering, 1999.
MLA način citiranja (9. izdanje)Carrero, Geraldine T., et al. Nation Paper Products and Printing Corporation: A Production and Operations Management Study. College of Engineering, 1999.
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