Kugler, H. L. (1957). Arc welding lessons for school and farm shop: A basic reference to be used in developing skills involved in operating arc welding equipment ([2nd ed.].). Cleveland, Ohio: James F. Lincoln Arc Welding Foundation.
Trích dẫn kiểu ChicagoKugler, Harold L. Arc Welding Lessons for School and Farm Shop: A Basic Reference to Be Used in Developing Skills Involved in Operating Arc Welding Equipment. [2nd ed.]. Cleveland, Ohio: James F. Lincoln Arc Welding Foundation, 1957.
Trích dẫn MLAKugler, Harold L. Arc Welding Lessons for School and Farm Shop: A Basic Reference to Be Used in Developing Skills Involved in Operating Arc Welding Equipment. [2nd ed.]. Cleveland, Ohio: James F. Lincoln Arc Welding Foundation, 1957.
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