Mitchell,Edward. (1975). Porpoise, dolphin and small whale fisheries of the world: :Status and problems. IUCN.
Chicago-стиль цитированияMitchell,Edward. Porpoise, Dolphin and Small Whale Fisheries of the World: :Status and Problems. Switzerland: IUCN, 1975.
MLA-цитированиеMitchell,Edward. Porpoise, Dolphin and Small Whale Fisheries of the World: :Status and Problems. IUCN, 1975.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.