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The Royal Family: Prince Joachim and Princess Marie - HH Prince Felix. Dostupné online. [cit. 2020-09-25].
Changes in titles and forms of address in the Royal Family. www.kongehuset.dk [online]. [cit. 2023-07-23]. Dostupné online.
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Prince Felix of Denmark begins new career as a model, just like his brother. honey.nine.com.au [online]. 2022-02-15 [cit. 2023-07-23]. Dostupné online. (anglicky)