Doff, A., Jones, C. J., & Mitchell, K. Meanings into words. Intermediate. An integrated course for students of English. Test book.
Chicago-referens (17:e uppl.)Doff, Adrian, Christopher J. Jones, och Keith Mitchell. Meanings into Words. Intermediate. An Integrated Course for Students of English. Test Book.
MLA-referens (8:e uppl.)Doff, Adrian, et al. Meanings into Words. Intermediate. An Integrated Course for Students of English. Test Book.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.