Atlen, W. (1997). Living English Structure with Angwer Key (5th ed.). Orient Longman.
Chicago Style (17. basım) AtıfAtlen, W.Stannard. Living English Structure with Angwer Key. 5th ed. Hyderabad: Orient Longman, 1997.
MLA (9th ed.) AtıfAtlen, W.Stannard. Living English Structure with Angwer Key. 5th ed. Orient Longman, 1997.
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