Dyfyniad APA

John Soars. (1987). Headway: Intermediate workbook. London: Oxford Univ. Press.

Dyfyniad Arddull Chicago

John Soars. Headway: Intermediate Workbook. London: Oxford Univ. Press, 1987.

Dyfyniad MLA

John Soars. Headway: Intermediate Workbook. London: Oxford Univ. Press, 1987.

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