APA-čujuhus (7. p.)
ebrary, Inc, & Schulze, P. C. (1999). Measures of environmental performance and ecosystem condition. National Academy Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Peter C. Schulze. Measures of Environmental Performance and Ecosystem Condition. Washington, D.C.: National Academy Press, 1999.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Peter C. Schulze. Measures of Environmental Performance and Ecosystem Condition. National Academy Press, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.