Shuitu baochi yanjiu | Editorial Department of Research of Soil and Water Conservation. Cambridge University Press.
Chicago-čujuhus (17. p.)Shuitu Baochi Yanjiu | Editorial Department of Research of Soil and Water Conservation. Cambridge University Press.
MLA-čujuhus (9. p.)Shuitu Baochi Yanjiu | Editorial Department of Research of Soil and Water Conservation. Cambridge University Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.