Wittmann, U.; Heidrich, P.; Wink, M. & Gwinner, E. (1995): Speciation in the Stonechat (Saxicola torquata) inferred from nucleotide sequences of the cytochrome b-gene. Journal of Zoological Systematics and Evolutionary Research33(2): 116–122. doi:10.1111/j.1439-0469.1995.tb00218.xHTML abstract
Wittmann, U.; Heidrich, P.; Wink, M. & Gwinner, E. (1995): Speciation in the Stonechat (Saxicola torquata) inferred from nucleotide sequences of the cytochrome b-gene. Journal of Zoological Systematics and Evolutionary Research33(2): 116–122. doi:10.1111/j.1439-0469.1995.tb00218.xHTML abstract
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«Bitxac siberià» (en anglès). eBird. [Consulta: 11 desembre 2021].