APA citiranje

Schofield, J., & Osborn, A. (2011). English for Business: Speaking. London: HarperCollins.

Trích dẫn kiểu Chicago

Schofield, James, và Anna Osborn. English for Business: Speaking. London: HarperCollins, 2011.

MLA citiranje

Schofield, James, và Anna Osborn. English for Business: Speaking. London: HarperCollins, 2011.

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