Abarra, G., Baradas, J., De Jesus, E., & Katigbak, C. (2001). Quality control study on Concrete Ventures Group, Inc. College of Engineering.
Citação norma ChicagoAbarra, Geraldine, Jennifer Baradas, Eleanor De Jesus, and Cristel Katigbak. Quality Control Study on Concrete Ventures Group, Inc. Diliman, Quezon City: College of Engineering, 2001.
Citação norma MLAAbarra, Geraldine, et al. Quality Control Study on Concrete Ventures Group, Inc. College of Engineering, 2001.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.