(1957). International and interregional economics. McGraw-Hill.
Chicago-čujuhus (17. p.)International and Interregional Economics. New York: McGraw-Hill, 1957.
MLA-čujuhus (9. p.)International and Interregional Economics. McGraw-Hill, 1957.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.