Libbish, B. e. (1964). Advances in the teaching of modern languages. Pergamon Press.
Chicago-viite (17. p.)Libbish, B. ed. Advances in the Teaching of Modern Languages. Oxford: Pergamon Press, 1964.
MLA-viite (9. p.)Libbish, B. ed. Advances in the Teaching of Modern Languages. Pergamon Press, 1964.
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