KOHNKE, H. (1979). Soil physics. TATA McGraw-Hill Publishing.
Chicago-čujuhus (17. p.)KOHNKE, Helmut. Soil Physics. New Delhi: TATA McGraw-Hill Publishing, 1979.
MLA-čujuhus (9. p.)KOHNKE, Helmut. Soil Physics. TATA McGraw-Hill Publishing, 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.