Kupfer, G. H. (1937). Legends of Greece and Rome. D.C.Heath.
Chicago Style (17th ed.) ZitazioaKupfer, Grace H. Legends of Greece and Rome. London: D.C.Heath, 1937.
MLA (9th ed.) ZitazioaKupfer, Grace H. Legends of Greece and Rome. D.C.Heath, 1937.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.