Citação norma APA
ebrary, Inc, & Holtfrerich, C. (1988). Economic and strategic issues in U.S. foreign policy. W. de Gruyter.
Citação norma Chicago
ebrary, Inc, and Carl-Ludwig Holtfrerich. Economic and Strategic Issues in U.S. Foreign Policy. Berlin ; New York: W. de Gruyter, 1988.
Citação norma MLA
ebrary, Inc, and Carl-Ludwig Holtfrerich. Economic and Strategic Issues in U.S. Foreign Policy. W. de Gruyter, 1988.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.