Цитирование APA (7-е изд.)
Doff, A., & Jones, C. (2004). Pre-intermediate language in use: Self-study workbook; with answer key. CUP.
Цитирование в стиле Чикаго (17-е изд.)
Doff, Adrian, и Christopher Jones. Pre-intermediate Language in Use: Self-study Workbook; with Answer Key. Cambridge: CUP, 2004.
Цитирование MLA (9-е изд.)
Doff, Adrian, и Christopher Jones. Pre-intermediate Language in Use: Self-study Workbook; with Answer Key. CUP, 2004.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.