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