Soars, J. &. L. (1989). Headway: Advanced. Hong Kong: Oxford University.
Trích dẫn kiểu ChicagoSoars, John & Liz. Headway: Advanced. Hong Kong: Oxford University, 1989.
MLA引文Soars, John & Liz. Headway: Advanced. Hong Kong: Oxford University, 1989.
警告：這些引文格式不一定是100％准確.