Reaney, Leeann T.; Whiting, Martin J. (August 2002). "Life on a limb: ecology of the tree agama (Acanthocercus a. atricollis) in southern Africa". Journal of Zoology. 257 (4): 439–448. CiteSeerX10.1.1.461.444. doi:10.1017/S0952836902001048.
Reaney, Leeann T.; Whiting, Martin J. (August 2002). "Life on a limb: ecology of the tree agama (Acanthocercus a. atricollis) in southern Africa". Journal of Zoology. 257 (4): 439–448. CiteSeerX10.1.1.461.444. doi:10.1017/S0952836902001048.