Citazione Stile APA (7a Edizione)
Alexander, L. G. (1987). Fluency in English: An Integrated Course for Advanced Students (21 impression.). Longman Group UK.
Citazione stile Chigago Style (17a edizione)
Alexander, Louis George. Fluency in English: An Integrated Course for Advanced Students. 21 impression. Harlow: Longman Group UK, 1987.
Citatione MLA (9a ed.)
Alexander, Louis George. Fluency in English: An Integrated Course for Advanced Students. 21 impression. Longman Group UK, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.