APA aipamena

SCHUSTER, E. H. (1980). Americsn engglish to day.--ed.3. McGraw Hill.

Chicago Style aipamena

SCHUSTER, Edgar H. Americsn Engglish to Day.--ed.3. New York: McGraw Hill, 1980.

MLA aipamena

SCHUSTER, Edgar H. Americsn Engglish to Day.--ed.3. McGraw Hill, 1980.