Durenberger. When Republicans Were Progressive. Minnesota Historical Society Press.
Chicago-Zitierstil (17. Ausg.)Durenberger. When Republicans Were Progressive. Minnesota Historical Society Press.
MLA-Zitierstil (9. Ausg.)Durenberger. When Republicans Were Progressive. Minnesota Historical Society Press.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.