Williams, E. H.; Mignucci-Giannoni, A. A.; Bunkley-Williams, L.; Bonde, R. K.; Self-Sullivan, C.; Preen, A.; Cockcroft, V. G. (2003). "Echeneid-sirenian associations, with information on sharksucker diet". Journal of Fish Biology. 63 (5): 1176–1183. Bibcode:2003JFBio..63.1176W. doi:10.1046/j.1095-8649.2003.00236.x. ISSN0022-1112.
Williams, E. H.; Mignucci-Giannoni, A. A.; Bunkley-Williams, L.; Bonde, R. K.; Self-Sullivan, C.; Preen, A.; Cockcroft, V. G. (2003). "Echeneid-sirenian associations, with information on sharksucker diet". Journal of Fish Biology. 63 (5): 1176–1183. Bibcode:2003JFBio..63.1176W. doi:10.1046/j.1095-8649.2003.00236.x. ISSN0022-1112.
Williams, E. H.; Mignucci-Giannoni, A. A.; Bunkley-Williams, L.; Bonde, R. K.; Self-Sullivan, C.; Preen, A.; Cockcroft, V. G. (2003). "Echeneid-sirenian associations, with information on sharksucker diet". Journal of Fish Biology. 63 (5): 1176–1183. Bibcode:2003JFBio..63.1176W. doi:10.1046/j.1095-8649.2003.00236.x. ISSN0022-1112.