Deumlich, F., & Faig, W. (1982). Surveying instruments. W. de Gruyter.
Chicago-čujuhus (17. p.)Deumlich, Fritz, juo Wolfgang Faig. Surveying Instruments. Berlin ; New York: W. de Gruyter, 1982.
MLA-čujuhus (9. p.)Deumlich, Fritz, juo Wolfgang Faig. Surveying Instruments. W. de Gruyter, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.