Guetzkow, H. (1962). Stimulation in social science readings. Prentice Hall.
Dyfyniad Arddull ChicagoGuetzkow, Harold. Stimulation in Social Science Readings. New Jersey: Prentice Hall, 1962.
Dyfyniad MLAGuetzkow, Harold. Stimulation in Social Science Readings. Prentice Hall, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.