Czech = Vyhláška č. 155/2005 Sb. Vyhláška o způsobu tvorby volacích značek, identifikačních čísel a kódů, 
                                 jejich používání a o druzích radiokomunikačních služeb, pro které jsou vyžadovány 
                                (http://aplikace.mvcr.cz/archiv2008/sbirka/2005/sb059-05.pdf)
Danish = Wikipedia (http://en.wikipedia.org/wiki/Spelling_alphabet)
Dutch = Wikipedia (http://en.wikipedia.org/wiki/Spelling_alphabet)
Finnish = Wikipedia (http://en.wikipedia.org/wiki/Spelling_alphabet)
French = Wikipedia (http://en.wikipedia.org/wiki/Spelling_alphabet)
German (DIN 5009) = Wikipedia (http://en.wikipedia.org/wiki/Spelling_alphabet)
Italian = Wikipedia (http://en.wikipedia.org/wiki/Spelling_alphabet)
LAPD = Wikipedia (http://en.wikipedia.org/wiki/Spelling_alphabet)
NATO-Aviation = Aeronautical Information Manual, Chapter 4 - Air Traffic Control, Section 2. Radio Communications Phraseology and Techniques 
                                (http://www.faa.gov/air_traffic/publications/ATpubs/AIM/aim0402.html#aim0402.html.1)
Norwegian = Wikipedia (http://en.wikipedia.org/wiki/Spelling_alphabet)
Slovakia = Wikipedia (http://cs.wikipedia.org/wiki/Hláskovací_tabulka)
Spanish = Wikipedia (http://en.wikipedia.org/wiki/Spelling_alphabet)
Swedish = Wikipedia (http://en.wikipedia.org/wiki/Spelling_alphabet)
