Jones, L. Functions of english. A course for upper-intermediate and more advanced students (3a ed.).
Citazione stile Chigago Style (17a edizione)Jones, Leo. Functions of English. A Course for Upper-intermediate and More Advanced Students. 3a ed.
Citatione MLA (8a ed.)Jones, Leo. Functions of English. A Course for Upper-intermediate and More Advanced Students. 3a ed.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.