APA

Walker T., . (1981). A guide for using the foreign exchange market. New York: Wiley.

Chicago

Walker Townsend, . 1981. A guide for using the foreign exchange market. New York: Wiley.

Harvard

Walker T., . (1981). A guide for using the foreign exchange market. New York: Wiley.

MLA

Walker Townsend, . A guide for using the foreign exchange market. New York: Wiley. 1981.