Harper, F. A. (1949). Liberty, a path to its recovery. Foundation for Economic Education.
Chicago-Zitierstil (17. Ausg.)Harper, F. A. Liberty, a Path to Its Recovery. Irvington-on-Hudson, N.Y: Foundation for Economic Education, 1949.
MLA-Zitierstil (8. Ausg.)Harper, F. A. Liberty, a Path to Its Recovery. Foundation for Economic Education, 1949.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.