Burks, R. V. (1961). Some elements of East European history. American Historical Assoc., Service Center for Teachers of History.
Chicago-Zitierstil (17. Ausg.)Burks, Richard Voyles. Some Elements of East European History. Washington, DC: American Historical Assoc., Service Center for Teachers of History, 1961.
MLA-Zitierstil (9. Ausg.)Burks, Richard Voyles. Some Elements of East European History. American Historical Assoc., Service Center for Teachers of History, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.