Dyfyniad APA

BIS. (1989). IS: SHELL FLANGES FOR VESSELS AND EQUIPMENT IS : 4864-1968. BIS.

Dyfyniad Arddull Chicago

BIS. IS: SHELL FLANGES FOR VESSELS AND EQUIPMENT IS : 4864-1968. NEW DELHI: BIS, 1989.

Dyfyniad MLA

BIS. IS: SHELL FLANGES FOR VESSELS AND EQUIPMENT IS : 4864-1968. BIS, 1989.

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