Dyfyniad APA

Doff, A., & Jones, C. (2000). Language in use: Pre-intermediate : self-study workbook with answer key (New ed.). Cambridge: Cambridge U. P..

Dyfyniad Arddull Chicago

Doff, Adrian, và Christopher Jones. Language in Use: Pre-intermediate : Self-study Workbook With Answer Key. New ed. Cambridge: Cambridge U. P., 2000.

Dyfyniad MLA

Doff, Adrian, và Christopher Jones. Language in Use: Pre-intermediate : Self-study Workbook With Answer Key. New ed. Cambridge: Cambridge U. P., 2000.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.