Opie, R. (1999). The Victorian scrapbook. New Cavendish Books.
Chicago Style (17th ed.) ZitazioaOpie, Robert. The Victorian Scrapbook. London: New Cavendish Books, 1999.
MLA (9th ed.) ZitazioaOpie, Robert. The Victorian Scrapbook. New Cavendish Books, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.