Blyton, E., & Hunter, S. (1979). Circus days again. Beaver Books.
Chicago Style (17th ed.) ZitazioaBlyton, Enid, eta Susan Hunter. Circus Days Again. London: Beaver Books, 1979.
MLA (9th ed.) ZitazioaBlyton, Enid, eta Susan Hunter. Circus Days Again. Beaver Books, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.