Alexander, L. (1971). New concept english: Practice and progress : suplementary written exercises. Longman.
Chicago Style (17th ed.) CitationAlexander, L.G. New Concept English: Practice and Progress : Suplementary Written Exercises. London: Longman, 1971.
MLA (9th ed.) CitationAlexander, L.G. New Concept English: Practice and Progress : Suplementary Written Exercises. Longman, 1971.
Warning: These citations may not always be 100% accurate.