SCHUSTER, E. H. (1980). Americsn engglish to day.--ed.3. McGraw Hill.
Chicago-čujuhus (17. p.)SCHUSTER, Edgar H. Americsn Engglish to Day.--ed.3. New York: McGraw Hill, 1980.
MLA-čujuhus (9. p.)SCHUSTER, Edgar H. Americsn Engglish to Day.--ed.3. McGraw Hill, 1980.
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