British Trust for Ornithology, Irish Wildbird Conservancy, & Lack, P. (1986). The Atlas of wintering birds in Britain and Ireland. Published by T. & A.D. Poyser [for] British Trust for Ornithology, Irish Wildbird Conservancy.

British Trust for Ornithology, Irish Wildbird Conservancy, and Peter Lack. The Atlas of Wintering Birds in Britain and Ireland. Calton, Staffordshire: Published by T. & A.D. Poyser [for] British Trust for Ornithology, Irish Wildbird Conservancy, 1986.

British Trust for Ornithology, et al. The Atlas of Wintering Birds in Britain and Ireland. Published by T. & A.D. Poyser [for] British Trust for Ornithology, Irish Wildbird Conservancy, 1986.