Dyfyniad APA
Gavela, M. D. F. (2015). The grammar and lexis of conversational informal English in advanced textbooks. Cambridge Scholars Publishing.
Dyfyniad Arddull Chicago
Gavela, María Dolores Fernández. The Grammar and Lexis of Conversational Informal English in Advanced Textbooks. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2015.
Dyfyniad MLA
Gavela, María Dolores Fernández. The Grammar and Lexis of Conversational Informal English in Advanced Textbooks. Cambridge Scholars Publishing, 2015.
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