Παραπομπή APA

Das, B. K. (2006). Functional grammar and spoken and written communication in English. Orient Black Swan.

Παραπομπή Chicago Style

Das, Bikram K. Functional Grammar and Spoken and Written Communication in English. Hyderabad: Orient Black Swan, 2006.

Παραπομπή MLA

Das, Bikram K. Functional Grammar and Spoken and Written Communication in English. Orient Black Swan, 2006.