Citazione Stile APA (7a Edizione)

Alexander, L. G. (1967). Fluency in English: An integrated course for advanced students (1a. ed.). Longman.

Citazione stile Chigago Style (17a edizione)

Alexander, Louis George. Fluency in English: An Integrated Course for Advanced Students. 1a. ed. Londres: Longman, 1967.

Citatione MLA (9a ed.)

Alexander, Louis George. Fluency in English: An Integrated Course for Advanced Students. 1a. ed. Longman, 1967.