Não informado. (1991). Aquatic Conservation: Marine and freshwater ecosystems. John Wiley & Sons.
Chicagoスタイル(17版)引用形式Não informado. Aquatic Conservation: Marine and Freshwater Ecosystems. Chichester, Inglaterra: John Wiley & Sons, 1991.
MLA(8版)引用形式Não informado. Aquatic Conservation: Marine and Freshwater Ecosystems. John Wiley & Sons, 1991.
警告: この引用は必ずしも正確ではありません.