E. E. Ruppert, R. S. Fox, R. P. Barnes, Invertebrate Zoology – A functional evolutionary approach, Brooks/Cole, 2004, Kap.
ˈeː. ˈeː. rˈupːert, ˈɛrɾe. ˈɛsse. fˈoks, ˈɛrɾe. pˈi. bˈarnes, invertebrˈate dzoˈɔlodʒɪ a fʊnktjˈɔnal evolʊtjonˈarɪ apːrˈoatʃ, brˈɔoks bˈarɾa kˈole, dˈue mˈiːla kwˈatːro, kˈap.