Pearson, C. (1977). Getting down to business in english. Heinmann Educational Books.
Tohutoru Kātū Chicago (17th ed.)Pearson, Christopher. Getting Down to Business in English. London: Heinmann Educational Books, 1977.
Tohutoro MLA (9th ed.)Pearson, Christopher. Getting Down to Business in English. Heinmann Educational Books, 1977.
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