Tham khảo Vẹt hoang

    • Menchetti, Mattia; Mori, Emiliano (2014). "Worldwide impact of alien parrots (Aves Psittaciformes) on native biodiversity and environment: a review". Ethology Ecology & Evolution. 26 (2-3): 172-194. doi:10.1080/03949370.2014.905981.
    • Chapman, Tamra. (2006). "The status, impact and management of the feral Rainbow Lorikeet (Trichoglossus haematodus moluccanus) in south-west Western Australia". Eclectus 16-17: 17-18.
    • Falla, R. A.; Sibson, R. B.; Turbot, E. G. (1966). A Field Guide to the Birds of New Zealand. London: Collins. ISBN 0-00-212022-4.
    • Menchetti, Mattia; Mori, Emiliano; Angelici, Francesco Maria (2016). Effects of the recent world invasion by ring-necked parakeets Psittacula krameri. Springer International Publishin. p. 253-266. ISBN 978-3-319-22246-2. doi:10.1007/978-3-319-22246-2_12.
    • Pereira, José Felipe Monteiro (2008). Aves e Pássaros comuns do Rio de Janeiro. Rio de Janeiro: Editora Tachnical Books. pp. 63, 66, 68. ISBN 978-8-561-36800-5.
    • Ancillotto, Leonardo; Strubbe, Diederik; Menchetti, Mattia; Mori, Emiliano (2015). "An overlooked invader? Ecological niche, invasion success and range dynamics of the Alexandrine parakeet in the invaded range". Biological Invasions: 1–13. ISSN 1573-1464. doi:10.1007/s10530-015-1032-y.