Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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