Friederichs, H. F. The Eisenhower genealogy: A post script.
Chicagoスタイル(17版)引用形式Friederichs, Heinz Friedrich. The Eisenhower Genealogy: A Post Script.
MLA(8版)引用形式Friederichs, Heinz Friedrich. The Eisenhower Genealogy: A Post Script.
警告: この引用は必ずしも正確ではありません.