Azar, B. S. (1991). Understanding and Using English Grammar. Englewood Cliffs, New Jersey: Prentice-Hall.
Chicago Style CitationAzar, Betty Schrampfer. Understanding and Using English Grammar. Englewood Cliffs, New Jersey: Prentice-Hall, 1991.
Cita MLAAzar, Betty Schrampfer. Understanding and Using English Grammar. Englewood Cliffs, New Jersey: Prentice-Hall, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.