Meyer, B. (1979). Urea-Formaldehyde Resins. Addison Wesley.
Chicago Style aipamenaMeyer, Beat. Urea-Formaldehyde Resins. Reding: Addison Wesley, 1979.
MLA aipamenaMeyer, Beat. Urea-Formaldehyde Resins. Addison Wesley, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.