อ้างอิง ของ บลูวัน

  1. ↑ "Blue1 Oy". Business Information System. Helsinki: The National Board of Patents and Registration and the Tax Administration, Finland. สืบค้นเมื่อ 10 February 2011.
  2. 1 2 Annual Report 2011 sasannualreport2011.com Retrieved 22 August 2013.
  3. ↑ "Blue1 – Star Alliance". Star Alliance. สืบค้นเมื่อ 15 January 2012.
  4. ↑ "Blue1 Head office." blue1. Retrieved 6 February 2011.
  5. ↑ "Privacy Policy." Blue1. Retrieved 25 February 2010. "or by visiting Rahtitie 3, 01530 Vantaa in person, where also the description of the data file is available for review."