APA (7e ed.) Bronvermelding

Não informado. (1991). Aquatic Conservation: Marine and freshwater ecosystems. John Wiley & Sons.

Chicago (17e ed.) Bronvermelding

Não informado. Aquatic Conservation: Marine and Freshwater Ecosystems. Chichester, Inglaterra: John Wiley & Sons, 1991.

MLA (8e ed.) Bronvermelding

Não informado. Aquatic Conservation: Marine and Freshwater Ecosystems. John Wiley & Sons, 1991.

Let op: Deze citaties zijn niet altijd 100% accuraat.