Template:Günther & Richards, 2020
- Günther, R. & Richards, S.J. 2020. Two new frog species of the genus Copiula Mehely, 1901 (Anura, Microhylidae, Asterophryinae) from southern Papua New Guinea. Russian Journal of Herpetology 27: 41–53. DOI: 10.30906/1026-2296-2020-27-1-41-53