Mitchell,Edward. (1975). Porpoise, dolphin and small whale fisheries of the world: :Status and problems. IUCN.
Style de citation ChicagoMitchell,Edward. Porpoise, Dolphin and Small Whale Fisheries of the World: :Status and Problems. Switzerland: IUCN, 1975.
Style de citation MLAMitchell,Edward. Porpoise, Dolphin and Small Whale Fisheries of the World: :Status and Problems. IUCN, 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.