APA-čujuhus (7. p.)
Davidson, J. H. (2002). Sustainable development and agriculture in the United States. Environmental Law Institute.
Chicago-čujuhus (17. p.)
Davidson, John H. Sustainable Development and Agriculture in the United States. Washington, D.C.: Environmental Law Institute, 2002.
MLA-čujuhus (9. p.)
Davidson, John H. Sustainable Development and Agriculture in the United States. Environmental Law Institute, 2002.
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