Lua APA (7ú heag.)

Savage, W. A. (1926). Graphic analysis for executives. Codex Book Co..

Lua i Stíl Chicago (17ú heag.)

Savage, Winfield A. Graphic Analysis for Executives. New York: Codex Book Co., 1926.

Lua MLA (8ú heag.)

Savage, Winfield A. Graphic Analysis for Executives. Codex Book Co., 1926.

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