Blanco, M. M., Caoyonan, L. A. T., de Leon, I. R., & Musngi, C. V. C. (2001). An Industrial systems design study on Panama Plastic Products, Incorporated. College of Engineering.
Chicago-referens (17:e uppl.)Blanco, Mariel M., Lizelle Anne T. Caoyonan, Irene R. de Leon, och Cherrie Vi C. Musngi. An Industrial Systems Design Study on Panama Plastic Products, Incorporated. Diliman, Quezon City: College of Engineering, 2001.
MLA-referens (9:e uppl.)Blanco, Mariel M., et al. An Industrial Systems Design Study on Panama Plastic Products, Incorporated. College of Engineering, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.