(en) Proceedings of the Zoological Society of London 2 1870., p.209 BHL
hbw.com
(en) Stiles, F.G. & Sharpe, C.J., 2018. Glow-throated Hummingbird (Selasphorus ardens). In: del Hoyo, J., et al. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/55672 on 14 May 2018).