Dyfyniad APA
ebrary, Inc, & Davim, J. P. (2012). Tribology and surface engineering. Nova Science Publishers.
Dyfyniad Arddull Chicago
ebrary, Inc, and J. Paulo Davim. Tribology and Surface Engineering. New York: Nova Science Publishers, 2012.
Dyfyniad MLA
ebrary, Inc, and J. Paulo Davim. Tribology and Surface Engineering. Nova Science Publishers, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.