Randall, D. (2002). The polyurethanes book. New York: John Wiley & Sons, Ltd.
Chicago Style aipamenaRandall, David. The Polyurethanes Book. New York: John Wiley & Sons, Ltd, 2002.
MLA aipamenaRandall, David. The Polyurethanes Book. New York: John Wiley & Sons, Ltd, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.