FREEMAN-BELL, G. (1993). Management In Engineering Principles And Practice Gail Freeman-bell, James Balkwill. Prentice-Hall.
Chicago-referens (17:e uppl.)FREEMAN-BELL, Gail. Management In Engineering Principles And Practice Gail Freeman-bell, James Balkwill. Prentice-Hall, 1993.
MLA-referens (8:e uppl.)FREEMAN-BELL, Gail. Management In Engineering Principles And Practice Gail Freeman-bell, James Balkwill. Prentice-Hall, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.