APA-Zitierstil (7. Ausg.)

Alexander, L. G. (1972). Developing skills: An integrated course for intermediate students (2.ed.). Longman.

Chicago-Zitierstil (17. Ausg.)

Alexander, L. G. Developing Skills: An Integrated Course for Intermediate Students. 2.ed. New York, EUA: Longman, 1972.

MLA-Zitierstil (9. Ausg.)

Alexander, L. G. Developing Skills: An Integrated Course for Intermediate Students. 2.ed. Longman, 1972.