Cita APA (7th ed.)

Doff, A., Jones, C. J., & Mitchell, K. Meanings into words: Intermediate. Workbook.

Cita Chicago (17th ed.)

Doff, Adrian, Christopher J. Jones, i Keith Mitchell. Meanings into Words: Intermediate. Workbook.

Cita MLA (8th ed.)

Doff, Adrian, et al. Meanings into Words: Intermediate. Workbook.