Close, R. A. (1976). English as a foreign language: Its constant grammatical problems. George allen & unwin.
Chicago Edition CitationClose, R. A. English as a Foreign Language: Its Constant Grammatical Problems. London: George allen & unwin, 1976.
MLA Edition CitationClose, R. A. English as a Foreign Language: Its Constant Grammatical Problems. George allen & unwin, 1976.
Warning: These citations may not always be 100% accurate.