A. Fritsches, Julian C. Partridge,, Kerstin. Colour vision in billfish(PDF). Philosophical Transactions of the Royal Society B Biological Sciences. 2000, 355: 1253 [2008-01-02]. doi:10.1098/rstb.2000.0678. (原始内容存档(PDF)于2015-11-07).
A. Fritsches, Julian C. Partridge,, Kerstin. Colour vision in billfish(PDF). Philosophical Transactions of the Royal Society B Biological Sciences. 2000, 355: 1253 [2008-01-02]. doi:10.1098/rstb.2000.0678. (原始内容存档(PDF)于2015-11-07).
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flmnh.ufl.edu
Florida Museum of Natural History. Atlantic Blue Marlin. [2009-01-29]. (原始内容存档于2009-01-26).
A. Fritsches, Julian C. Partridge,, Kerstin. Colour vision in billfish(PDF). Philosophical Transactions of the Royal Society B Biological Sciences. 2000, 355: 1253 [2008-01-02]. doi:10.1098/rstb.2000.0678. (原始内容存档(PDF)于2015-11-07).