Hardin, G. (1993). Living Within Limits: Ecology, Economics, And Population Taboos. Oxford University.
Čikaški stil citiranja (17. izdanje)Hardin, Garrett. Living Within Limits: Ecology, Economics, And Population Taboos. Oxford University, 1993.
MLA način citiranja (8. izdanje)Hardin, Garrett. Living Within Limits: Ecology, Economics, And Population Taboos. Oxford University, 1993.
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