(en) James, H.et al. 2003. Pseudopodoces humilis, a misclassified terrestrial tit (Paridae) of the Tibetan Plateau: evolutionary consequences of shifting adaptive zones.Ibis 145(2): 185-202. PDF full text. Gearchiveerd op 31 juli 2023.
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(en) James, H.et al. 2003. Pseudopodoces humilis, a misclassified terrestrial tit (Paridae) of the Tibetan Plateau: evolutionary consequences of shifting adaptive zones.Ibis 145(2): 185-202. PDF full text. Gearchiveerd op 31 juli 2023.