"Agent Orange". American Public Health Association: For science. For action. For health. American Public Health Association. 2016. Retrieved Oct 11, 2016.
Vietnam country profile. Library of Congress Federal Research Division (December 2005). This article incorporates text from this source, which is in the public domain.
"Viet Nam: WHO statistical profile"(PDF). World Health Organization. World Health Organization. January 2015. Retrieved Oct. 28th, 2016. {{cite web}}: Check date values in: |access-date= (help)