Ward, B. (1985). Aquarium fish survival manual. London: Grange Books.
Chicago Style aipamenaWard, Brian. Aquarium Fish Survival Manual. London: Grange Books, 1985.
MLA aipamenaWard, Brian. Aquarium Fish Survival Manual. London: Grange Books, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.