Puerto Rican Singer Ruth Fernandez Dies at 92 [online]. billboard.com, 2012-01-10 [cit. 2012-06-02]. Dostupné online. (anglicky)
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HEVESI, Dennis. Ruth Fernández, Singer and Senator in Puerto Rico, Dies at 92 [online]. nytimes.com, 2012-01-13 [cit. 2012-06-02]. Dostupné online. (anglicky)