Paul, D., & David Paul. (2006). New finding out 4. Oxford, U.K: Macmillan education.
Trích dẫn kiểu ChicagoPaul, David, và David Paul. New Finding Out 4. Oxford, U.K: Macmillan education, 2006.
MLA引文Paul, David, và David Paul. New Finding Out 4. Oxford, U.K: Macmillan education, 2006.
警告：这些引文格式不一定是100％准确.