Gurney, R. (1933). British freshwater cope poda V3. Ray society.
シカゴスタイル引用形Gurney, Robert. British Freshwater Cope Poda V3. London: Ray society, 1933.
MLA引用形式Gurney, Robert. British Freshwater Cope Poda V3. Ray society, 1933.
警告: この引用は必ずしも正確ではありません.