SVENSSON, S.; KADIN, G. A Great Tit Parus major without yellow pigment in its plumage. Ornis Svecica, Lund, Sweden, v. 28, n. 2–4, p. 77–80, 2018. DOI: 10.34080/os.v28.19534. Disponível em: https://journals.lub.lu.se/os/article/view/19534. Acesso em: 17 aug. 2022.