APA (7e ed.) Bronvermelding

Doff, A., & Jones, C. (2000). Language in use: Pre-intermediate: Self-study workbook with answer key (New edition.). Cambridge Univ. Press.

Chicago (17e ed.) Bronvermelding

Doff, Adrian, en Christopher Jones. Language in Use: Pre-intermediate: Self-study Workbook with Answer Key. New edition. New York: Cambridge Univ. Press, 2000.

MLA (8e ed.) Bronvermelding

Doff, Adrian, en Christopher Jones. Language in Use: Pre-intermediate: Self-study Workbook with Answer Key. New edition. Cambridge Univ. Press, 2000.