Bolitho, R., & Tomlinson, B. (1995). Discover English: A language awareness workbook (2a. ed.). Macmillan Heineman English Language Teaching.
Citazione stile Chigago Style (17a edizione)Bolitho, Rod, e Brian Tomlinson. Discover English: A Language Awareness Workbook. 2a. ed. Oxford: Macmillan Heineman English Language Teaching, 1995.
Citatione MLA (9a ed.)Bolitho, Rod, e Brian Tomlinson. Discover English: A Language Awareness Workbook. 2a. ed. Macmillan Heineman English Language Teaching, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.