APA (7e ed.) Bronvermelding
ebrary, Inc, & Holtfrerich, C. (1988). Economic and strategic issues in U.S. foreign policy. W. de Gruyter.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, en Carl-Ludwig Holtfrerich. Economic and Strategic Issues in U.S. Foreign Policy. Berlin ; New York: W. de Gruyter, 1988.
MLA (9e ed.) Bronvermelding
ebrary, Inc, en Carl-Ludwig Holtfrerich. Economic and Strategic Issues in U.S. Foreign Policy. W. de Gruyter, 1988.
Let op: Deze citaties zijn niet altijd 100% accuraat.