| Authors(s) | Ewins P.J. |
| Year | 1993 |
| Title | Pigeon Guillemot. In: A. Poole and F.Gill (eds.) The birds of North America 49 Academy of Natural Sciences of Philadephia and the American Ornithologists' Union, Washington DC |
| Authors(s) | Ewins P.J. |
| Year | 1993 |
| Title | Pigeon Guillemot. In: A. Poole and F.Gill (eds.) The birds of North America 49 Academy of Natural Sciences of Philadephia and the American Ornithologists' Union, Washington DC |