Gregory, R. L. (1973). Eye and brain: The psychology of seeing (2nd ed.). McGraw-Hill.
Chicago Style aipamenaGregory, Richard Langton. Eye and Brain: The Psychology of Seeing. 2nd ed. New York: McGraw-Hill, 1973.
MLA aipamenaGregory, Richard Langton. Eye and Brain: The Psychology of Seeing. 2nd ed. McGraw-Hill, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.