APA引文

KILLOUGH, H. B., & KILLOUGH, L. W. (1948). Economics of international trade.-- ed.2. McGraw-hill.

Chicago Style (17th ed.) Citation

KILLOUGH, Hugh B., and Lucy W. KILLOUGH. Economics of International Trade.-- Ed.2. New York: McGraw-hill, 1948.

MLA引文

KILLOUGH, Hugh B., and Lucy W. KILLOUGH. Economics of International Trade.-- Ed.2. McGraw-hill, 1948.