Davis, K. (1991). Resources, environment, and population: Present knowledge, future options. Oxford University Pr..
Chicago Style (17. basım) AtıfDavis, Kingsley. Resources, Environment, and Population: Present Knowledge, Future Options. New York: Oxford University Pr., 1991.
MLA (9th ed.) AtıfDavis, Kingsley. Resources, Environment, and Population: Present Knowledge, Future Options. Oxford University Pr., 1991.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..