"HomeDiarsipkan 2005-02-05 di Wayback Machine.." Vietnam Air Services Company. Retrieved on December 21, 2010. "Copyright by VIETNAM AIR SERVICES CO(VASCO) B114 Bach Dang St,Ward 2, Tan Binh Dist, Ho Chi Minh City, Viet Nam"
web.archive.org
"HomeDiarsipkan 2005-02-05 di Wayback Machine.." Vietnam Air Services Company. Retrieved on December 21, 2010. "Copyright by VIETNAM AIR SERVICES CO(VASCO) B114 Bach Dang St,Ward 2, Tan Binh Dist, Ho Chi Minh City, Viet Nam"