Das,Bikram K. (2006). Functional grammar and spoken and written communication in English. Orient longman.
Stile di citazione ChicagoDas,Bikram K. Functional Grammar and Spoken and Written Communication in English. Hydrabad: Orient longman, 2006.
Citazione MLADas,Bikram K. Functional Grammar and Spoken and Written Communication in English. Orient longman, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.