Dyfyniad APA

(1999). Introduction to arc welding: Ironworking trainee task module 30114. Upper Saddle River, NJ : Prentice Hall.

Dyfyniad Arddull Chicago

Introduction to Arc Welding: Ironworking Trainee Task Module 30114. Upper Saddle River, NJ : Prentice Hall, 1999.

Dyfyniad MLA

Introduction to Arc Welding: Ironworking Trainee Task Module 30114. Upper Saddle River, NJ : Prentice Hall, 1999.

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