^"Bothriocephalus acheilognathi". Invasive Species Compendium. Centre for Agriculture and Biosciences International. 22 June 2017. Retrieved 2 October 2017.
^Casellato, Sandra; La Piana, Giovanni; Latella, Leonardo; Ruffo, Sandro (2006). "Dikerogammarus villosus (Sowinsky, 1894) (Crustacea, Amphipoda, Gammaridae) for the first time in Italy". Italian Journal of Zoology. 73 (1): 97–104. doi:10.1080/11250000500502293.
^Menchetti, Mattia; Mori, Emiliano; Angelici, Francesco Maria (2016). Effects of the recent world invasion by ring-necked parakeets Psittacula krameri. Springer International Publishin. pp. 253–266. doi:10.1007/978-3-319-22246-2_12. ISBN978-3-319-22246-2.
^Mori, Emiliano; Mazza, Giuseppe; Menchetti, Mattia; Panzeri, Mattia; Gager, Yann; Bertolino, Sandro; Di Febbraro, Mirko (2015). "The masked invader strikes again: the conquest of Italy by the Northern raccoon". Hystrix. 26 (1): 47–51. doi:10.4404/hystrix-26.1-11035.