Knouff, W. C. (1961). Everyday Art. The American Crajon Company Sandusky.
Chicagoスタイル(17版)引用形式Knouff, W. Cyrus. Everyday Art. The American Crajon Company Sandusky, 1961.
MLA(8版)引用形式Knouff, W. Cyrus. Everyday Art. The American Crajon Company Sandusky, 1961.
警告: この引用は必ずしも正確ではありません.