^Harrap, Simon & Quinn, David (1996): Tits, Nuthatches & Treecreepers. Christopher Helm, London. ISBN0-7136-3964-4
^Johansson, U.S.; Ekman, J.; Bowie, R.C.K.; Halvarsson, P.; Ohlson, J.I.; Price, T.D.; Ericson, P.G.P. A complete multilocus species phylogeny of the tits and chickadees (Aves: Paridae). Molecular Phylogenetics and Evolution. 2013, 69 (3): 852–860. PMID 23831453. doi:10.1016/j.ympev.2013.06.019.
^Gill, Frank; Donsker, David (编). Waxwings and their allies, tits & penduline tits. World Bird List Version 6.1. International Ornithologists' Union. [2016]. (原始内容于2018-10-04).