SANGSTER, G. A name for the clade formed by owlet-nightjars, swifts and hummingbirds (Aves). Zootaxa, Auckland, New Zealand, v. 799, n. 1, p. 1–6, 2005. DOI: 10.11646/zootaxa.799.1.1. Disponível em: https://mapress.com/zt/article/view/zootaxa.799.1.1. Acesso em: 3 apr. 2025.