Doff, A., & Jones, C. (2000). Language in use: Pre-intermediate : teacher's book (New ed.). Cambridge: Cambridge U. P..
Trích dẫn kiểu ChicagoDoff, Adrian, và Christopher Jones. Language in Use: Pre-intermediate : Teacher's Book. New ed. Cambridge: Cambridge U. P., 2000.
MLA CitationDoff, Adrian, và Christopher Jones. Language in Use: Pre-intermediate : Teacher's Book. New ed. Cambridge: Cambridge U. P., 2000.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.