• [Wiki] http://en.wikipedia.org/wiki/Xiphias_gladius.
• [FAO] http://www.fao.org/fishery/species/2503/en.
• [lib] http://www.thefreelibrary.com/The+early+life+history+of+swordfish+Xiphias+gladius+in+the+western...-a0111201172.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [WangLin2010] S.-P. Wang, C.-H. L. and Chiang, W.-C. (2010). Age and growth analysis of swordfish (Xiphias gladius) in the Indian Ocean based on the specimens collected by Taiwanese observer program. IOTC-2010-WPB-08.
• [WangSun2003] S.-P. Wang, C.-L. S. and Yeh, S.-Z. (2003). Sex ratios and sexual maturity of swordfish (Xiphias gladius L.) in the waters of Taiwan. Zoological Studies, 42:529--539.
• [NOAA] Uchiyama, J. H., DeMartini, E. E., and Williams, H. A. (1999). Length-weight interrelationships for swordfish, Xiphias gladius L., caught in the central North Pacific. http://www.nmfs.hawaii.edu/tech/NOAA_Tech_Memo_284.pdf.