Dyfyniad APA

SMITH, D. (1984). Welding: Skill and technology. Gregg Devision - McGraw-Hill.

Dyfyniad Arddull Chicago

SMITH, Dave. Welding: Skill and Technology. New York: Gregg Devision - McGraw-Hill, 1984.

Dyfyniad MLA

SMITH, Dave. Welding: Skill and Technology. Gregg Devision - McGraw-Hill, 1984.

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