BIS. (1992). IS: HEXAGON HEAD BOLTS, SCREWS & NUTS OF PRODUCT GRADE C PART 3 IS: 1363-1992. BIS.
Cita Chicago (17th ed.)BIS. IS: HEXAGON HEAD BOLTS, SCREWS & NUTS OF PRODUCT GRADE C PART 3 IS: 1363-1992. NEW DELHI: BIS, 1992.
Cita MLA (9th ed.)BIS. IS: HEXAGON HEAD BOLTS, SCREWS & NUTS OF PRODUCT GRADE C PART 3 IS: 1363-1992. BIS, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.