Easteal, p. 94 Simon Easteal, The history of introductions of Bufo marinus (Amphibia: Anura); a natural experiment in evolution, in Biological Journal of the Linnean Society, Vol. 16, Is. 1, 1981, pp. 93-113 doi:10.1111/j.1095-8312.1981.tb01645.x
Easteal, p. 96 Simon Easteal, The history of introductions of Bufo marinus (Amphibia: Anura); a natural experiment in evolution, in Biological Journal of the Linnean Society, Vol. 16, Is. 1, 1981, pp. 93-113 doi:10.1111/j.1095-8312.1981.tb01645.x
Urban, Mark C.; Ben L. Phillips, David K. Skelly, and Richard Shine, The cane toad's (Chaunus [Bufo] marinus) increasing ability to invade Australia is revealed by a dynamically updated range model, Proceedings of the Royal Society B: Biological Sciences, גיליון 1616 כרך 274, יוני 2007 doi: 10.1098/rspb.2007.0114
Easteal, p. 103-104 Simon Easteal, The history of introductions of Bufo marinus (Amphibia: Anura); a natural experiment in evolution, in Biological Journal of the Linnean Society, Vol. 16, Is. 1, 1981, pp. 93-113 doi:10.1111/j.1095-8312.1981.tb01645.x
Easteal, p. 100 Simon Easteal, The history of introductions of Bufo marinus (Amphibia: Anura); a natural experiment in evolution, in Biological Journal of the Linnean Society, Vol. 16, Is. 1, 1981, pp. 93-113 doi:10.1111/j.1095-8312.1981.tb01645.x
Easteal, p. 101 Simon Easteal, The history of introductions of Bufo marinus (Amphibia: Anura); a natural experiment in evolution, in Biological Journal of the Linnean Society, Vol. 16, Is. 1, 1981, pp. 93-113 doi:10.1111/j.1095-8312.1981.tb01645.x
Easteal, p. 101-102 Simon Easteal, The history of introductions of Bufo marinus (Amphibia: Anura); a natural experiment in evolution, in Biological Journal of the Linnean Society, Vol. 16, Is. 1, 1981, pp. 93-113 doi:10.1111/j.1095-8312.1981.tb01645.x
Easteal, p. 97–98 Simon Easteal, The history of introductions of Bufo marinus (Amphibia: Anura); a natural experiment in evolution, in Biological Journal of the Linnean Society, Vol. 16, Is. 1, 1981, pp. 93-113 doi:10.1111/j.1095-8312.1981.tb01645.x