Arigo, A., Lachica, E. S., Maneja, R., & Sabareza, G. (1995). Industrial processes in PVC pipes. College of Engineering.
Chicago (17e ed.) BronvermeldingArigo, Agnes, Edlyn S. Lachica, Renee Maneja, en Genalyn Sabareza. Industrial Processes in PVC Pipes. Diliman, Quezon City: College of Engineering, 1995.
MLA (9e ed.) BronvermeldingArigo, Agnes, et al. Industrial Processes in PVC Pipes. College of Engineering, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.