HAYDEN. (1956). Mastering American engglish: A handbook-workbook ofessentials. Prentice-Hall.
Chicago Style aipamenaHAYDEN. Mastering American Engglish: A Handbook-workbook Ofessentials. New York: Prentice-Hall, 1956.
MLA aipamenaHAYDEN. Mastering American Engglish: A Handbook-workbook Ofessentials. Prentice-Hall, 1956.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.