CLOSE. (1981). English as a foreign language: Its constant grammatical problems (3rd. edition.). George Allen & Unwin.
Chicago Style (17th ed.) CitationCLOSE. English as a Foreign Language: Its Constant Grammatical Problems. 3rd. edition. London: George Allen & Unwin, 1981.
MLA (8th ed.) CitationCLOSE. English as a Foreign Language: Its Constant Grammatical Problems. 3rd. edition. George Allen & Unwin, 1981.
Warning: These citations may not always be 100% accurate.