Fjeldså, J. and C. J. Sharpe (2020). Gorgeted Puffleg (Eriocnemis isabellae), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.gorpuf1.01 retrieved March 12, 2022
