De Celis, E. A. C., De Guzman, L. A. M., & Peraz, M. R. (2001). An industrial quality control study on Italit Construction and Development Corporation. College of Engineering.
Cita Chicago (17th ed.)De Celis, Excel Ann C., Lorie Ann M. De Guzman, i Melanie R. Peraz. An Industrial Quality Control Study on Italit Construction and Development Corporation. Diliman, Quezon City: College of Engineering, 2001.
Cita MLA (9th ed.)De Celis, Excel Ann C., et al. An Industrial Quality Control Study on Italit Construction and Development Corporation. College of Engineering, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.