อ้างอิง ของ แผนการโคลัมโบ

  1. ↑ Fischer, Charles A (1971). "Containing China? II. Concepts and Applications of Containment". 137 (3). The Geographical Journal: 301. Unknown parameter |month= ignored (help); Cite journal requires |journal= (help)
  2. ↑ Welcome speech by Dato' Patricia Yoon-Moi, Colombo, 5 July 2010.
  3. ↑ http://www.himalmag.com/component/content/article/2660-A-New-Plan-for-the-Colombo-Plan.html
  4. ↑ Blackton, Charles S., The Colombo Plan, Far Eastern Survey, 7 February 1951.
  5. ↑ http://www.colombo-plan.org/index.php/kingdom-of-saudi-arabia-joined-the-colombo-plan/