Citazione APA

Alexander, L. G. (1967). Developing skills: An integrated course for Intermediate students. London, UK: Longman.

Stile di citazione Chicago

Alexander, L. G. Developing Skills: An Integrated Course for Intermediate Students. London, UK: Longman, 1967.

Citazione MLA

Alexander, L. G. Developing Skills: An Integrated Course for Intermediate Students. London, UK: Longman, 1967.

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