(1980). Butt weld pipe fittings from Japan. Washington: USITC.
Trích dẫn kiểu ChicagoButt Weld Pipe Fittings From Japan. Washington: USITC, 1980.
MLA CitationButt Weld Pipe Fittings From Japan. Washington: USITC, 1980.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.