Citazione Stile APA (7a Edizione)
Alexander, L. G. (1988). Developing Skills 3. An Integrated Course For Intermediate Students 4.impression. Longman Group UK.
Citazione stile Chigago Style (17a edizione)
Alexander, Louis George. Developing Skills 3. An Integrated Course For Intermediate Students 4.impression. Harlow: Longman Group UK, 1988.
Citatione MLA (9a ed.)
Alexander, Louis George. Developing Skills 3. An Integrated Course For Intermediate Students 4.impression. Longman Group UK, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.