Mitchell, E. (1975). Porpoise,dolphin and small whale fisheries of the world: Status and problems. International Union for Conservation of Nature and Natural Resources.
Chicago Edition CitationMitchell, Edward. Porpoise,dolphin and Small Whale Fisheries of the World: Status and Problems. Switzerland: International Union for Conservation of Nature and Natural Resources, 1975.
MLA引文Mitchell, Edward. Porpoise,dolphin and Small Whale Fisheries of the World: Status and Problems. International Union for Conservation of Nature and Natural Resources, 1975.
警告:這些引文格式不一定是100%准確.