Cita APA

Alexander, L. G. (1967). Practice and progress; an integrated course for pre-intermediate students. Longman.

Citación estilo Chicago

Alexander, L. G. Practice and Progress; an Integrated Course for Pre-intermediate Students. London: Longman, 1967.

Cita MLA

Alexander, L. G. Practice and Progress; an Integrated Course for Pre-intermediate Students. London: Longman, 1967.

Precaución: Estas citas no son 100% exactas.