Abarra, G., Katigbak, C., & Lim, A. (2002). A Study of the production system of Excelta Trading Corporation. College of Engineering.
Chicago-Zitierstil (17. Ausg.)Abarra, Geraldine, Cristal Katigbak, und Angelito Lim. A Study of the Production System of Excelta Trading Corporation. Diliman, Quezon City: College of Engineering, 2002.
MLA-Zitierstil (9. Ausg.)Abarra, Geraldine, et al. A Study of the Production System of Excelta Trading Corporation. College of Engineering, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.