(2005). Longman active study dictionary (seventh ed.). England: Longman.
Trích dẫn kiểu ChicagoLongman Active Study Dictionary. seventh ed. England: Longman, 2005.
MLA引文Longman Active Study Dictionary. seventh ed. England: Longman, 2005.
警告:這些引文格式不一定是100%准確.