Stewart, L. (2016). “I Quit!” The Vietnam War and the Early Antiwar Activism of Master Sergeant Donald Duncan.
Chicago-referens (17:e uppl.)Stewart, Luke. “I Quit!” The Vietnam War and the Early Antiwar Activism of Master Sergeant Donald Duncan. 2016.
MLA-referens (8:e uppl.)Stewart, Luke. “I Quit!” The Vietnam War and the Early Antiwar Activism of Master Sergeant Donald Duncan. 2016.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.