Veith, G. J. (2012). Black April: The fall of South Vietnam, 1973-1975 (First American edition.). Encounter Books.
Chicago-čujuhus (17. p.)Veith, George J. Black April: The Fall of South Vietnam, 1973-1975. First American edition. New York: Encounter Books, 2012.
MLA-čujuhus (9. p.)Veith, George J. Black April: The Fall of South Vietnam, 1973-1975. First American edition. Encounter Books, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.