Falcis, C. T. M., Ricalde, R. R., & Varona, A. J. P. (2002). A study of the production system of Progressive Laboratories, Inc. College of Engineering.
Cita Chicago (17th ed.)Falcis, Charlene Therese M., Rebecca R. Ricalde, i Andrew James P. Varona. A Study of the Production System of Progressive Laboratories, Inc. Diliman, Quezon City: College of Engineering, 2002.
Cita MLA (9th ed.)Falcis, Charlene Therese M., et al. A Study of the Production System of Progressive Laboratories, Inc. College of Engineering, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.