Citazione APA

Alexander, L. (1976). First things first student's book: An integrated course for beginners. London: Longman.

Stile di citazione Chicago

Alexander, L.G. First Things First Student's Book: An Integrated Course for Beginners. London: Longman, 1976.

Citazione MLA

Alexander, L.G. First Things First Student's Book: An Integrated Course for Beginners. London: Longman, 1976.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.