John Sinclair. (1992). BBC English dictionary. London: BBC English,HarperCollins.
Trích dẫn kiểu ChicagoJohn Sinclair. BBC English Dictionary. London: BBC English,HarperCollins, 1992.
MLA引文John Sinclair. BBC English Dictionary. London: BBC English,HarperCollins, 1992.
警告:這些引文格式不一定是100%准確.