Não informado. (1991). Aquatic Conservation: Marine and freshwater ecosystems. John Wiley & Sons.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Aquatic Conservation: Marine and Freshwater Ecosystems. Chichester, Inglaterra: John Wiley & Sons, 1991.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Aquatic Conservation: Marine and Freshwater Ecosystems. John Wiley & Sons, 1991.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.
