@book {644, title = {Worlds of Written Discourse}, series = {Advances in Applied Linguistics}, year = {2004}, month = {2004}, publisher = {Continuum}, organization = {Continuum}, address = {London}, keywords = {genre, integrity, linguistics, professional, variation}, author = {Bhatia, Vijay K.}, editor = {Candlin, Christopher N. and Sarangi, Srikant} }