Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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