Lua APA (7ú heag.)
ebrary, Inc, & Holtfrerich, C. (1988). Economic and strategic issues in U.S. foreign policy. W. de Gruyter.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Carl-Ludwig Holtfrerich. Economic and Strategic Issues in U.S. Foreign Policy. Berlin ; New York: W. de Gruyter, 1988.
Lua MLA (9ú heag.)
ebrary, Inc, agus Carl-Ludwig Holtfrerich. Economic and Strategic Issues in U.S. Foreign Policy. W. de Gruyter, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.