Valberg, A. (2005). Light vision color. New Jersey: John Wiley and Sons.
Chicago Style aipamenaValberg, Arne. Light Vision Color. New Jersey: John Wiley and Sons, 2005.
MLA aipamenaValberg, Arne. Light Vision Color. New Jersey: John Wiley and Sons, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.