Pearson, C. (1977). Getting down to business in english. Heinmann Educational Books.
Style de citation Chicago (17e éd.)Pearson, Christopher. Getting Down to Business in English. London: Heinmann Educational Books, 1977.
Style de citation MLA (9e éd.)Pearson, Christopher. Getting Down to Business in English. Heinmann Educational Books, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.