Dyfyniad APA
Black, P. H., & Adams, O. E. (1968). Machine design (3d ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Black, Paul H., and Otto Eugene Adams. Machine Design. 3d ed. New York: McGraw-Hill, 1968.
Dyfyniad MLA
Black, Paul H., and Otto Eugene Adams. Machine Design. 3d ed. McGraw-Hill, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.