Quaisser, C. (2010) β€œOn the nomenclature of the Pale Blue Flycatcher Cyornis unicolor infuscatus E. Hartert, 1902 (Aves: Muscicapidae) with lectotype designation for Cyornis cyanopolia Blyth, 1870”, Zootaxa. Auckland, New Zealand, 2450(1), pp. 65–67. doi: 10.11646/zootaxa.2450.1.6.