(1984). Heath english. D.C. Heath.
Chicago Style aipamenaHeath English. Massachusetts: D.C. Heath, 1984.
MLA aipamenaHeath English. D.C. Heath, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1984). Heath english. D.C. Heath.
Chicago Style aipamenaHeath English. Massachusetts: D.C. Heath, 1984.
MLA aipamenaHeath English. D.C. Heath, 1984.