(1982). Twentieth-century western writers. Macmillan.
Chicago Style (17th ed.) ZitazioaTwentieth-century Western Writers. London: Macmillan, 1982.
MLA (9th ed.) ZitazioaTwentieth-century Western Writers. Macmillan, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.