Tappan, E. M. (1917). The little book of the flag. Houghton Mifflin Co.
Chicagoスタイル(17版)引用形式Tappan, Eva March. The Little Book of the Flag. Boston, New York [etc.]: Houghton Mifflin Co, 1917.
MLA(8版)引用形式Tappan, Eva March. The Little Book of the Flag. Houghton Mifflin Co, 1917.
警告: この引用は必ずしも正確ではありません.