Davis, K. (1991). Resources, environment, and population: Present knowledge, future options. Oxford University Pr..
Citace podle Chicago (17th ed.)Davis, Kingsley. Resources, Environment, and Population: Present Knowledge, Future Options. New York: Oxford University Pr., 1991.
Citace podle MLA (9th ed.)Davis, Kingsley. Resources, Environment, and Population: Present Knowledge, Future Options. Oxford University Pr., 1991.
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