Pliego-Cárdenas, R, et al. “Reproductive Aspects of Octopus Hubbsorum (Cephalopoda: Octopodidae) from Espíritu Santo Island, Southern Gulf of California, Mexico”. Ciencias Marinas, vol. 37, no. 1, Oct. 2010, pp. 23–32, doi:10.7773/cm.v37i1.1730.