Doff A. Adrian & Jones C. Christopher. (1994). Language in USE. Workbook; Self-Study Cassette Set; Intermediate. New York, Cambridge University Press, 1994.
Citazione stile Chigago Style (17a edizione)Doff A. Adrian e Jones C. Christopher. Language in USE. Workbook; Self-Study Cassette Set; Intermediate. New York, Cambridge University Press, 1994, 1994.
Citatione MLA (9a ed.)Doff A. Adrian e Jones C. Christopher. Language in USE. Workbook; Self-Study Cassette Set; Intermediate. New York, Cambridge University Press, 1994, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.