ECKERSLEY, C. (1970). Essential English for foreign students: ECKERSLEY, C.E. Longman.
Chicago Style (17. basım) AtıfECKERSLEY, C.E. Essential English for Foreign Students: ECKERSLEY, C.E. London: Longman, 1970.
MLA (9th ed.) AtıfECKERSLEY, C.E. Essential English for Foreign Students: ECKERSLEY, C.E. Longman, 1970.
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