<sod>*Hochberg, F.G. & W.G. Fields (1980). ''Cephalopoda: The squids and octopuses'', pages 429–444. In: R.H. Morris ''et al. Intertidal Invertebrates of California''. Stanford University Press. 690&nbsp;pp. ISBN 0804710457.<eod>
<sod>*Hochberg, F.G. & W.G. Fields (1980). Cephalopoda: The Squids and Octopuses. In: R.H. Morris, D.P. Abbott & E.C. Haderlie (eds.) [https://books.google.co.uk/books?id=NAybxQZvWI0C ''Intertidal Invertebrates of California'']. Stanford University Press, Stanford. pp.&nbsp;429–444. 690&nbsp;pp. ISBN 0804710457.<eod>