Doyle, J. (1985). Altered harvest: Agriculture, genetics and the fate of the world's food supply. New York: Viking Penguin.
Trích dẫn kiểu ChicagoDoyle, Jack. Altered Harvest: Agriculture, Genetics and the Fate of the World's Food Supply. New York: Viking Penguin, 1985.
Deismireacht MLADoyle, Jack. Altered Harvest: Agriculture, Genetics and the Fate of the World's Food Supply. New York: Viking Penguin, 1985.
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