Fry, Hilary; Kirwan, Guy M. (4 March 2020). Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.). "Western Boubou (Laniarius poensis)". Birds of the World. Ithaca, New York, USA: Cornell Lab of Ornithology. doi:10.2173/bow.mosbou1.01. S2CID242408833.
Fry, Hilary; Kirwan, Guy M. (4 March 2020). Billerman, Shawn M.; Keeney, Brooke K.; Rodewald, Paul G.; Schulenberg, Thomas S. (eds.). "Western Boubou (Laniarius poensis)". Birds of the World. Ithaca, New York, USA: Cornell Lab of Ornithology. doi:10.2173/bow.mosbou1.01. S2CID242408833.