Cita APA

Penn, W., & Titow, W. V. L. (1971). PVC Technology (3rd ed.). Applied Science Publishers.

Chicago Edition Citation

Penn, W.S, i W V Lenham Titow. PVC Technology. 3rd ed. London: Applied Science Publishers, 1971.

Cita MLA

Penn, W.S, i W V Lenham Titow. PVC Technology. 3rd ed. Applied Science Publishers, 1971.