Parsons, J. H. (1930). Diseases of the eye (6th ed.). Macmillan.
Chicago Style aipamenaParsons, John Herbert. Diseases of the Eye. 6th ed. New York: Macmillan, 1930.
MLA aipamenaParsons, John Herbert. Diseases of the Eye. 6th ed. Macmillan, 1930.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.