Sulzby, E. (1990). McGraw-Hill English. New York: McGraw-Hill School Division.
Chicago Style CitationSulzby, Elizabeth. McGraw-Hill English. New York: McGraw-Hill School Division, 1990.
Cita MLASulzby, Elizabeth. McGraw-Hill English. New York: McGraw-Hill School Division, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.