Citazione Stile APA (7a Edizione)
Television Trust for the environment. (1991). Coral reefs. Zeist, The Netherlands.
Citazione stile Chigago Style (17a edizione)
Television Trust for the environment. Coral Reefs. TVE Distribution Centre: Zeist, The Netherlands, 1991.
Citatione MLA (9a ed.)
Television Trust for the environment. Coral Reefs. Zeist, The Netherlands, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.