Citazione Stile APA (7a Edizione)
Alexander, L. G. (1979). Developing Skills 3: An Integrated Course for Intermediate Students (5.vyd.). Longman Group UK.
Citazione stile Chigago Style (17a edizione)
Alexander, Louis George. Developing Skills 3: An Integrated Course for Intermediate Students. 5.vyd. London: Longman Group UK, 1979.
Citatione MLA (9a ed.)
Alexander, Louis George. Developing Skills 3: An Integrated Course for Intermediate Students. 5.vyd. Longman Group UK, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.