Cita APA (7th ed.)

Ludwig, R. (1996). A manufacturing CEO's secret tips for improving profit. John Willey & Sons.

Cita Chicago (17th ed.)

Ludwig, Richard. A Manufacturing CEO's Secret Tips for Improving Profit. New York: John Willey & Sons, 1996.

Cita MLA (9th ed.)

Ludwig, Richard. A Manufacturing CEO's Secret Tips for Improving Profit. John Willey & Sons, 1996.

Atenció: Aquestes cites poden no estar 100% correctes.