Alexander, L. G. (1973). Practice and progress: An integrated course for pre-intermediate students. London: Longman.
Chicago-стиль цитированияAlexander, L. G. Practice and Progress: An Integrated Course for Pre-intermediate Students. London: Longman, 1973.
MLA-цитированиеAlexander, L. G. Practice and Progress: An Integrated Course for Pre-intermediate Students. London: Longman, 1973.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.