"Privacy PolicyArchived 10 March 2012 at the Wayback Machine." 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."
"Mmmmmmm Mmmmmenu"(PDF). blue1.com. Autumn 2011. Retrieved 13 September 2011.
"Blue1 Oy". Business Information System. Helsinki: The National Board of Patents and Registration and the Tax Administration, Finland. Archived from the original on 20 July 2011. Retrieved 10 February 2011.
"Privacy PolicyArchived 10 March 2012 at the Wayback Machine." 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."
"Blue1 Oy". Business Information System. Helsinki: The National Board of Patents and Registration and the Tax Administration, Finland. Archived from the original on 20 July 2011. Retrieved 10 February 2011.