Das, B. K. (2006). Functional grammar and spoken and written communication in English. Orient BlackSwan.
Chicago Edition CitationDas, Bikram K. Functional Grammar and Spoken and Written Communication in English. Hydrabad: Orient BlackSwan, 2006.
MLA Edition CitationDas, Bikram K. Functional Grammar and Spoken and Written Communication in English. Orient BlackSwan, 2006.
Warning: These citations may not always be 100% accurate.