Fox, A. D., Andrews, J. (Ed.) & Carter, S. (Ed.) (1993).
Pink-Footed Goose Research. In J. Andrews & S. Carter (Eds.),
Britain's Birds in 1990/91: The Conservation and Monitoring Review (pp. 61-63). British Trust for Ornithology.
Fox, A. D., Gibbons, D. W. (Ed.), Reid, J. B. (Ed.) & Chapman, R. A. (Ed.) (1993).
Pintail. In D. W. Gibbons, J. B. Reid & R. A. Chapman (Eds.),
The New Atlas of Breeding Birds in Britain and Ireland 1988-1991 (pp. 74-75). Poyser.
Fox, A. D., Gibbons, D. W. (Ed.), Reid, J. B. (Ed.) & Chapman, R. A. (Ed.) (1993).
Pochard. In D. W. Gibbons, J. B. Reid & R. A. Chapman (Eds.),
The New Atlas of Breeding Birds in Britain and Ireland 1988-1991 (pp. 80-81). Poyser.
