Trích dẫn APA

Liz, S. Headway student's book: Pre-intermediate / John & Liz Soars. Oxford university press.

Trích dẫn kiểu Chicago

Liz, Soars. Headway Student's Book: Pre-intermediate / John & Liz Soars. Oxford university press.

Trích dẫn MLA

Liz, Soars. Headway Student's Book: Pre-intermediate / John & Liz Soars. Oxford university press.

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