Dyfyniad APA
Davis, H. E. (1964). The testing and inspection of engineering materials (3rd ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Davis, Harmer Elmer. The Testing and Inspection of Engineering Materials. 3rd ed. New York: McGraw-Hill, 1964.
Dyfyniad MLA
Davis, Harmer Elmer. The Testing and Inspection of Engineering Materials. 3rd ed. McGraw-Hill, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.