Savage, W. A. (1926). Graphic analysis for executives. Codex Book Co..
Chicagoスタイル(17版)引用形式Savage, Winfield A. Graphic Analysis for Executives. New York: Codex Book Co., 1926.
MLA(8版)引用形式Savage, Winfield A. Graphic Analysis for Executives. Codex Book Co., 1926.
警告: この引用は必ずしも正確ではありません.