Citazione Stile APA (7a Edizione)

Arnold, W. W., & Plas, J. M. (1993). The human touch: Today's most unusual program for productivity and profit. Wiley.

Citazione stile Chigago Style (17a edizione)

Arnold, William W., e Jeanne M. Plas. The Human Touch: Today's Most Unusual Program for Productivity and Profit. New York: Wiley, 1993.

Citatione MLA (8a ed.)

Arnold, William W., e Jeanne M. Plas. The Human Touch: Today's Most Unusual Program for Productivity and Profit. Wiley, 1993.