Walker, A. G. (1995). International trade procedures and management (4th edition.). Oxford; Boston: Butterworth-Heinemann.
Trích dẫn kiểu ChicagoWalker, A. G. International Trade Procedures and Management. 4th edition. Oxford; Boston: Butterworth-Heinemann, 1995.
MLA引文Walker, A. G. International Trade Procedures and Management. 4th edition. Oxford; Boston: Butterworth-Heinemann, 1995.
警告:这些引文格式不一定是100%准确.