Thiel, D. V. (2014). Research Methods for Engineers. Cambridge University Press.
Chicago-čujuhus (17. p.)Thiel, David V. Research Methods for Engineers. Cambridge, United Kingdom: Cambridge University Press, 2014.
MLA-čujuhus (9. p.)Thiel, David V. Research Methods for Engineers. Cambridge University Press, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.