Bureau, I. W. a. W. R. IWRB special publication. Slimbridge, Gloucester.
Citación estilo ChicagoBureau, International Waterfowl and Wetlands Research. IWRB Special Publication. Slimbridge, Gloucester.
Cita MLABureau, International Waterfowl and Wetlands Research. IWRB Special Publication. Slimbridge, Gloucester.
Warning: These citations may not always be 100% accurate.