Smith, Harvey Henry (1969). Area Handbook for Afghanistan (fourth ed.). Washington, D.C.: U.S. Government Printing Office. p. 36. The airports at Kandahar, Herat, Mazar-i-Sharif and Kunduz were built with United States assistance.
caa-af.org
"Kunduz Airport". Afghanistan Ministry of Transport and Civil Aviation. 21 March 2007. Archived from the original on 27 September 2007.