Downing, A. (2013). English Grammar A University Course.
Trích dẫn kiểu ChicagoDowning, Angela. English Grammar A University Course. 2013.
MLA引文Downing, Angela. English Grammar A University Course. 2013.
警告:這些引文格式不一定是100%准確.
Downing, A. (2013). English Grammar A University Course.
Trích dẫn kiểu ChicagoDowning, Angela. English Grammar A University Course. 2013.
MLA引文Downing, Angela. English Grammar A University Course. 2013.