• [Wiki] http://en.wikipedia.org/wiki/Loligo_vulgaris.
• [sealifebase] https://www.sealifebase.ca/summary/Loligo-vulgaris.html.
• [ADW] https://animaldiversity.org/accounts/Loligo_forbesii/.
• [BettCoel1996] Bettencourt, V., Coelho, L., Andrade, J., and Guerra, A. (1996). Age and growth of the squid Loligo_vulgaris off the south coast of Portugal, using statolith analysis. J. Moll Stud, 62:359--366.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [MoreLefk2015] Moreno, A., Lefkaditou, E., Robin, J.-P., Pereira, J., González, A. F., Seixas, S., Villanueva, R., Pierce, G. J., Allcock, A. L., and Jereb, P. (2015). Loligo vulgaris lamarck, 1798. In Jereb, P., Allcock, A. L., Lefkaditou, E., Piatkowski, U., Hastie, L. C., and Pierce, G. J., editors, Cephalopod biology and fisheries in Europe: II. Species Accounts, number 325. ICES Cooperative Research Report.
• [RochGuer1999] Rocha, F. and Guerra, A. (1999). Age and growth of two sympatric squid Loligo vulgaris and Loligo forbesi, in Galician waters (north-west Spain). J.Mar. Biol. Ass.U.K., 79:697--707.