Doff, A., Jones, C. J., & Mitchell, K. Meanings into words: Intermediate. Workbook.
Citazione stile Chigago Style (17a edizione)Doff, Adrian, Christopher J. Jones, e Keith Mitchell. Meanings into Words: Intermediate. Workbook.
Citatione MLA (8a ed.)Doff, Adrian, et al. Meanings into Words: Intermediate. Workbook.
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