Tham khảo Khướu cánh đỏ

BirdLife International (2004). Garrulax formosus. Sách đỏ 2006. IUCN 2006. Truy cập 6-12-2006. Database entry includes justification for why this species is of least concern
Steve P. Dudley (2005) Changes to Category C of the British List, Ibis 147:803
John MacKinnon & Karen Phillipps (2000) A Field Guide to the Birds of China, Oxford University Press, Oxford
Malcolm Ogilvie (2003) Non-native birds breeding in the United Kingdom in 2001 Lưu trữ 2007-02-06 tại Wayback Machine British Birds 96:620-625
Craig Robson (2002) A Field Guide to the Birds of South-East Asia. New Holland, London

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