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BB Biber, Douglas. Student grammar of spoken and written english / Douglas Biber, Susan Conrad, Geoggrey Leech. - 1st ed., 4th impr. Harlow : Longman, 2005
BB Carter, Ronald. Cambridge Grammar of English : a comprehensive guide : spoken and written English, grammar and usage / Ronald Carter, Michael McCarthy . - 1st ed., 5th prnt. Cambridge ; Madrid : Cambridge University Press, 2010
BB Chalker, Sylvia. A student's english grammar workbook / Sylvia Chalker . - [1st. ed., 4th impr.] Essex : Longman, 1996
BB Conrad, Susan. Longman student grammar of spoken and written english : workbook / Susan Conrad, Douglas Biber, Geoffrey Leech. 1st ed., 13th impr. London : Longman, 2013
BB Greenbaum, Sidney. A student's grammar of the English language / Sidney Greenbaum, Randolph Quirk. . - 1st. publ., 10th. impr., rev. ed. Harlow : Longman, 1998
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BB Longman grammar of spoken and written English / Douglas Biber [et al.] ; Foreword by Randolph Quirk . - 1st ed. Harlow : Longman, 1999
BC Huddleston, Rodney. The Cambridge grammar of the English language / Rodney Huddleston, Geoffrey K. Pullum . - 1st ed. Cambridge : Cambridge University Press, 2002