Thewlis, S. (1997). Grammar dimensions. Pacific Grove: Heinle & Heinle Publishers.
Trích dẫn kiểu ChicagoThewlis, Stephen. Grammar Dimensions. Pacific Grove: Heinle & Heinle Publishers, 1997.
MLA引文Thewlis, Stephen. Grammar Dimensions. Pacific Grove: Heinle & Heinle Publishers, 1997.
警告:這些引文格式不一定是100%准確.