Lewy, G. (1978). America in Vietnam. Oxford University Press.
Chicago-čujuhus (17. p.)Lewy, Guenter. America in Vietnam. New York: Oxford University Press, 1978.
MLA-čujuhus (9. p.)Lewy, Guenter. America in Vietnam. Oxford University Press, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.