Veith, G. J. (2012). Black April: The fall of South Vietnam, 1973-1975 (First American edition.). Encounter Books.
Dyfyniad Arddull ChicagoVeith, George J. Black April: The Fall of South Vietnam, 1973-1975. First American edition. New York: Encounter Books, 2012.
Dyfyniad MLAVeith, George J. Black April: The Fall of South Vietnam, 1973-1975. First American edition. Encounter Books, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.