APA
Kohls S., . (1976). Dictionary of international economics. Groningen: Academic Book Services.
Chicago
Kohls Siegfried, . 1976. Dictionary of international economics. Groningen: Academic Book Services.
Harvard
Kohls S., . (1976). Dictionary of international economics. Groningen: Academic Book Services.
MLA
Kohls Siegfried, . Dictionary of international economics. Groningen: Academic Book Services. 1976.