The British list: a checklist of birds of Britain (7th edition)
Dudley, S.; Gee, M.; Kehoe, C.; Melling, T.M.; The British Ornithologists' Union Records Committee (2006). The British list: a checklist of birds of Britain (7th edition). Ibis 148(3): 526-563. https://dx.doi.org/10.1111/j.1474-919X.2006.00603.x
In: Ibis. British Ornithologists' Union/Wiley: London. ISSN 0019-1019; e-ISSN 1474-919X, meer
