(1992). Longman English grammar practice for intermediate students.
Trích dẫn kiểu ChicagoLongman English Grammar Practice for Intermediate Students. 1992.
MLA引文Longman English Grammar Practice for Intermediate Students. 1992.
警告:這些引文格式不一定是100%准確.
(1992). Longman English grammar practice for intermediate students.
Trích dẫn kiểu ChicagoLongman English Grammar Practice for Intermediate Students. 1992.
MLA引文Longman English Grammar Practice for Intermediate Students. 1992.