| 1 | Ian D. Rotherham and Robert A. Lambert (2011) Invasive and Introduced Plants and Animals, ISBN 9781849710718 |
| 2 | Barbara Tellman (2002) Invasive Exotic Species in the Sonoran Region |
| 3 | Harold A. Mooney (Editor), Jeffrey A. McNeely (Editor), Laurie E. Neville (Editor), Peter Johan Schei (Editor), Jeff Waage (Editor), Richard N. Mack (2005) Invasive Alien Species: A New Synthesis |
| 4 | Mark A Davis (2009) Invasion BiologyOxford Biology |