Freeman-Bell, G., & Balkwill, J. (1993). Management in engineering: Principles and practice. Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Freeman-Bell, Gail, e James Balkwill. Management in Engineering: Principles and Practice. New York: Prentice-Hall, 1993.
Citatione MLA (9a ed.)Freeman-Bell, Gail, e James Balkwill. Management in Engineering: Principles and Practice. Prentice-Hall, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.