Bureau, I. W. a. W. R. IWRB special publication. Slimbridge, Gloucester.
シカゴスタイル引用形Bureau, International Waterfowl and Wetlands Research. IWRB Special Publication. Slimbridge, Gloucester.
MLA引用形式Bureau, International Waterfowl and Wetlands Research. IWRB Special Publication. Slimbridge, Gloucester.
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