Thiel, D. V. (2014). Research Methods for Engineers. Cambridge University Press.
Chicago Style (17th ed.) ZitazioaThiel, David V. Research Methods for Engineers. Cambridge, United Kingdom: Cambridge University Press, 2014.
MLA (9th ed.) ZitazioaThiel, David V. Research Methods for Engineers. Cambridge University Press, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.