Azar, B. S. (1992). Fundamental of English Grammar. Englewood Cliffs, New Jersey: Prentice-Hall.
Chicago Style aipamenaAzar, Betty Schrampfer. Fundamental of English Grammar. Englewood Cliffs, New Jersey: Prentice-Hall, 1992.
MLA aipamenaAzar, Betty Schrampfer. Fundamental of English Grammar. Englewood Cliffs, New Jersey: Prentice-Hall, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.