SCHMIDT,R.P. (1982). WELDING SKILLS & TECHNIQUIES. RESTON PUB.
Chicago-čujuhus (17. p.)SCHMIDT,R.P. WELDING SKILLS & TECHNIQUIES. VIRGINIA: RESTON PUB, 1982.
MLA-čujuhus (9. p.)SCHMIDT,R.P. WELDING SKILLS & TECHNIQUIES. RESTON PUB, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.