(1978). The language of international trade in English. New York: Prentical Hall.
Trích dẫn kiểu ChicagoThe Language of International Trade in English. New York: Prentical Hall, 1978.
MLA引文The Language of International Trade in English. New York: Prentical Hall, 1978.
警告:这些引文格式不一定是100%准确.