Governo Regional dos Açores. "Símbolos - A Bandeira dos Açores" (in Portuguese). Ponta Delgada (Azores), Portugal. Archived from the original on 24 October 2017. Retrieved 1 September 2012.
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Governo Regional dos Açores. "Símbolos - A Bandeira dos Açores" (in Portuguese). Ponta Delgada (Azores), Portugal. Archived from the original on 24 October 2017. Retrieved 1 September 2012.