Heaton, J. B. (1994). Longman tests in context. London: Longman.
Trích dẫn kiểu ChicagoHeaton, J B. Longman Tests in Context. London: Longman, 1994.
MLA引文Heaton, J B. Longman Tests in Context. London: Longman, 1994.
警告：这些引文格式不一定是100％准确.
APA引文