Hamilton, S. History of the National Flag of the United States of America.
Chicagoスタイル(17版)引用形式Hamilton, Schuyler. History of the National Flag of the United States of America.
MLA(9版)引用形式Hamilton, Schuyler. History of the National Flag of the United States of America.
警告: この引用は必ずしも正確ではありません.