Tulip M. Mark & Stannett K. Katherine. (2007). ProFile 3: Upper-Intermediate. Teacher's Book. New York, Oxford University Press, 2007.
Citazione stile Chigago Style (17a edizione)Tulip M. Mark e Stannett K. Katherine. ProFile 3: Upper-Intermediate. Teacher's Book. New York, Oxford University Press, 2007, 2007.
Citatione MLA (9a ed.)Tulip M. Mark e Stannett K. Katherine. ProFile 3: Upper-Intermediate. Teacher's Book. New York, Oxford University Press, 2007, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.