Contance, J. (1978). How to become a professional engineer (3rd ed.). McGraw-Hill.
Stile di citazione ChicagoContance, John. How to Become a Professional Engineer. 3rd ed. New York: McGraw-Hill, 1978.
Citazione MLAContance, John. How to Become a Professional Engineer. 3rd ed. McGraw-Hill, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.