Burton, Adrian (1 August 2013). "Tell me, mate, what were emus like?". Frontiers in Ecology and the Environment. 11 (6): 336. doi:10.1890/1540-9295-11.6.336. ISSN1540-9309.
Burton, Adrian (1 August 2013). "Tell me, mate, what were emus like?". Frontiers in Ecology and the Environment. 11 (6): 336. doi:10.1890/1540-9295-11.6.336. ISSN1540-9309.