SCHUSTER, E. H. (1980). Americsn engglish to day.--ed.3. McGraw Hill.
芝加哥风格引文SCHUSTER, Edgar H. Americsn Engglish to Day.--ed.3. New York: McGraw Hill, 1980.
MLA引文SCHUSTER, Edgar H. Americsn Engglish to Day.--ed.3. McGraw Hill, 1980.
警告：这些引文格式不一定是100％准确.