Citazione APA

Alexander, L. G. (1974). Developing skills: An integrated course for intermediate students (New Concept English). London: Longman.

Stile di citazione Chicago

Alexander, L. G. Developing Skills: An Integrated Course for Intermediate Students (New Concept English). London: Longman, 1974.

Citazione MLA

Alexander, L. G. Developing Skills: An Integrated Course for Intermediate Students (New Concept English). London: Longman, 1974.

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