Dyfyniad APA

BIS. (1992). IS: HEXAGON HEAD BOLTS, SCREWS & NUTS OF PRODUCT GRADE C PART 2 IS: 1363-1992. BIS.

Dyfyniad Arddull Chicago

BIS. IS: HEXAGON HEAD BOLTS, SCREWS & NUTS OF PRODUCT GRADE C PART 2 IS: 1363-1992. NEW DELHI: BIS, 1992.

Dyfyniad MLA

BIS. IS: HEXAGON HEAD BOLTS, SCREWS & NUTS OF PRODUCT GRADE C PART 2 IS: 1363-1992. BIS, 1992.

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