United States Postal Service. (1982). Stamps & Stories: The Encyclopedia of U.S. Stamps (8.). U.S. Postal Service.
Chicagoスタイル(17版)引用形式United States Postal Service. Stamps & Stories: The Encyclopedia of U.S. Stamps. 8. Estados Unidos: U.S. Postal Service, 1982.
MLA(8版)引用形式United States Postal Service. Stamps & Stories: The Encyclopedia of U.S. Stamps. 8. U.S. Postal Service, 1982.
警告: この引用は必ずしも正確ではありません.