Dyfyniad APA
Wyong , B. (2015). Tribology: Engineering applications. NY reseach.
Dyfyniad Arddull Chicago
Wyong , Bernice. Tribology: Engineering Applications. New York: NY reseach, 2015.
Dyfyniad MLA
Wyong , Bernice. Tribology: Engineering Applications. NY reseach, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.