Cunningham, S. (1999). Cutting edge: Student's Book. Harlow: Longman.
Trích dẫn kiểu ChicagoCunningham, Sarah. Cutting Edge: Student's Book. Harlow: Longman, 1999.
MLA citiranjeCunningham, Sarah. Cutting Edge: Student's Book. Harlow: Longman, 1999.
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