Lommler, J. C. (2012). Geotechnical problem solving. Wiley.
Chicago-čujuhus (17. p.)Lommler, John C. Geotechnical Problem Solving. Hoboken, N.J.: Wiley, 2012.
MLA-čujuhus (9. p.)Lommler, John C. Geotechnical Problem Solving. Wiley, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.