Crockett, J. U. (1975). Roses. Time-Life Books.
Chicago Style aipamenaCrockett, James Underwood. Roses. Alexandria, Va: Time-Life Books, 1975.
MLA aipamenaCrockett, James Underwood. Roses. Time-Life Books, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.