APA
Dr. Julian Pattison D. W., Duncan Williams, .English Language. : Oxford University Press.
Chicago
Dr. Julian Pattison Duncan Williams, Duncan Williams, .English Language. : Oxford University Press.
Harvard
Dr. Julian Pattison D. W., Duncan Williams, .English Language. : Oxford University Press.
MLA
Dr. Julian Pattison Duncan Williams, Duncan Williams, .: Oxford University Press. .
