Citazione Stile APA (7a Edizione)

Beatty, R. W., Bernardin, H. J., & Nickel, J. E. (1987). The productivity sourcebook. Human Resource Development Press.

Citazione stile Chigago Style (17a edizione)

Beatty, Richard W., H. John Bernardin, e James E. Nickel. The Productivity Sourcebook. Amherst, Mass: Human Resource Development Press, 1987.

Citatione MLA (9a ed.)

Beatty, Richard W., et al. The Productivity Sourcebook. Human Resource Development Press, 1987.