APA (7e ed.) Bronvermelding
Doff, A., & Jones, C. (2004). Pre-intermediate language in use: Self-study workbook; with answer key. CUP.
Chicago (17e ed.) Bronvermelding
Doff, Adrian, en Christopher Jones. Pre-intermediate Language in Use: Self-study Workbook; with Answer Key. Cambridge: CUP, 2004.
MLA (9e ed.) Bronvermelding
Doff, Adrian, en Christopher Jones. Pre-intermediate Language in Use: Self-study Workbook; with Answer Key. CUP, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.