Citace podle APA (7th ed.)

Alexander, L. G. (1973). Practice and progress. An integrated course for pre-intermediate students. Longman.

Citace podle Chicago (17th ed.)

Alexander, L. G. Practice and Progress. An Integrated Course for Pre-intermediate Students. London: Longman, 1973.

Citace podle MLA (9th ed.)

Alexander, L. G. Practice and Progress. An Integrated Course for Pre-intermediate Students. Longman, 1973.

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