Dyfyniad APA
Doenecke, J. D., & Wilz, J. E. (2003). From isolation to war: 1931-1941 (Third edition.). Harlan Davidson, Inc..
Dyfyniad Arddull Chicago
Doenecke, Justus D., and John Edward Wilz. From Isolation to War: 1931-1941. Third edition. Wheeling, Illinois: Harlan Davidson, Inc., 2003.
Dyfyniad MLA
Doenecke, Justus D., and John Edward Wilz. From Isolation to War: 1931-1941. Third edition. Harlan Davidson, Inc., 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.