Mitchell, E. (1975). Porpoise,dolphin and small whale fisheries of the world: Status and problems. International Union for Conservation of Nature and Natural Resources.
Styl ChicagoMitchell, Edward. Porpoise,dolphin and Small Whale Fisheries of the World: Status and Problems. Switzerland: International Union for Conservation of Nature and Natural Resources, 1975.
Citace podle MLAMitchell, Edward. Porpoise,dolphin and Small Whale Fisheries of the World: Status and Problems. International Union for Conservation of Nature and Natural Resources, 1975.
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