Gillespie, J. J. (1945). Engineering Re- organisation (2nd ed.). Sir Issac Pitman.
Dyfyniad Arddull ChicagoGillespie, James J. Engineering Re- Organisation. 2nd ed. London: Sir Issac Pitman, 1945.
Dyfyniad MLAGillespie, James J. Engineering Re- Organisation. 2nd ed. Sir Issac Pitman, 1945.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.