Howard-Williams, D., & Herd, C. (1992). Business Words: Essential business english vocabulary. Heinemann English Language Teaching.
Cita Chicago Style (17a ed.)Howard-Williams, Deirdre, y Cynthia Herd. Business Words: Essential Business English Vocabulary. Oxford: Heinemann English Language Teaching, 1992.
Cita MLA (9a ed.)Howard-Williams, Deirdre, y Cynthia Herd. Business Words: Essential Business English Vocabulary. Heinemann English Language Teaching, 1992.
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