Gaya APA

Kugler, H, L. (ion,). Arc welding lessons : for school and farm shop. (1972). : Ohio :The James F. Lincoln Arc Welding Foundat.

Gaya MLA

Kugler, Harold, L.. "Arc welding lessons : for school and farm shop.". 1972 : Ohio :The James F. Lincoln Arc Welding Foundat, ion,. Text.