Não informado. (1991). Aquatic Conservation: Marine and freshwater ecosystems. John Wiley & Sons.
Cita Chicago Style (17a ed.)Não informado. Aquatic Conservation: Marine and Freshwater Ecosystems. Chichester, Inglaterra: John Wiley & Sons, 1991.
Cita MLA (8a ed.)Não informado. Aquatic Conservation: Marine and Freshwater Ecosystems. John Wiley & Sons, 1991.
Precaución: Estas citas no son 100% exactas.