Titow, W. V. (1984). PVC technolgy (4th ed.). Elesevier Applied science.
Chicago Style aipamenaTitow, W V. PVC Technolgy. 4th ed. London: Elesevier Applied science, 1984.
MLA aipamenaTitow, W V. PVC Technolgy. 4th ed. Elesevier Applied science, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.