Dyfyniad APA

Tribology and Materials | Balkan Scientific Centre. Cambridge University Press.

Dyfyniad Arddull Chicago

Tribology and Materials | Balkan Scientific Centre. Cambridge University Press.

Dyfyniad MLA

Tribology and Materials | Balkan Scientific Centre. Cambridge University Press.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.