Healy, D. (1967). Modern imperialism: Changing styles in historical interpretation. Service Center for Teachers of History.
Chicago-Zitierstil (17. Ausg.)Healy, David. Modern Imperialism: Changing Styles in Historical Interpretation. Washington, D.C: Service Center for Teachers of History, 1967.
MLA-Zitierstil (8. Ausg.)Healy, David. Modern Imperialism: Changing Styles in Historical Interpretation. Service Center for Teachers of History, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.