Herring, George C. (1991). “America and Vietnam: The Unending War”. Foreign Affairs (Council on Foreign Relations) 70 (5): 104–119. doi:10.2307/20045006. JSTOR20045006.
jstor.org
Herring, George C. (1991). “America and Vietnam: The Unending War”. Foreign Affairs (Council on Foreign Relations) 70 (5): 104–119. doi:10.2307/20045006. JSTOR20045006.