Groeling, D. T. (1950). Taking a hand in international relations. Woman's Press.
Dyfyniad Arddull ChicagoGroeling, Dorothy Trautwein. Taking a Hand in International Relations. New York: Woman's Press, 1950.
Dyfyniad MLAGroeling, Dorothy Trautwein. Taking a Hand in International Relations. Woman's Press, 1950.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.