Eoston, G. (1982). Learning from case studies. Simon & Schuster.
Dyfyniad Arddull ChicagoEoston, Geoff. Learning from Case Studies. Simon & Schuster, 1982.
Dyfyniad MLAEoston, Geoff. Learning from Case Studies. Simon & Schuster, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.