Cita APA (7th ed.)

Doff, A., Jones, C. J., & Mitchell, K. Meanings into words Intermediate. Student's book (10a ed.).

Cita Chicago (17th ed.)

Doff, Adrian, Christopher J. Jones, i Keith Mitchell. Meanings into Words Intermediate. Student's Book. 10a ed.

Cita MLA (8th ed.)

Doff, Adrian, et al. Meanings into Words Intermediate. Student's Book. 10a ed.