APA
(1987). International Economic Problems and Policies. New York: St. Martn's Inc.
Chicago
1987. International Economic Problems and Policies. New York: St. Martn's Inc.
Harvard
(1987). International Economic Problems and Policies. New York: St. Martn's Inc.
MLA
International Economic Problems and Policies. New York: St. Martn's Inc. 1987.