(1999). Practical approaches to the conservation of biological: Diversity. Island Pr.
Chicago-čujuhus (17. p.)Practical Approaches to the Conservation of Biological: Diversity. Washington, D. C: Island Pr, 1999.
MLA-čujuhus (9. p.)Practical Approaches to the Conservation of Biological: Diversity. Island Pr, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.