Finn, J. K.; Tregenza, T.; Norman, M. D. Defensive tool use in a coconut-carrying octopus. Current Biology. 2009, 19 (23): R1069–70. PMID 20064403. doi:10.1016/j.cub.2009.10.052.
Information, Reed Business. New Scientist. Cephalopods do it differently. Reed Business Information. 1983-11-03 [2022-04-08]. (原始内容存档于2022-04-08) (英语).
Finn, J. K.; Tregenza, T.; Norman, M. D. Defensive tool use in a coconut-carrying octopus. Current Biology. 2009, 19 (23): R1069–70. PMID 20064403. doi:10.1016/j.cub.2009.10.052.
Information, Reed Business. New Scientist. Cephalopods do it differently. Reed Business Information. 1983-11-03 [2022-04-08]. (原始内容存档于2022-04-08) (英语).