APA (7 वां संस्करण) प्रशस्ति पत्र

BIS. (1992). IS: HEXAGON HEAD BOLTS, SCREWS & NUTS OF PRODUCT GRADE A & B PART 5 IS: 1364-1992. BIS.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

BIS. IS: HEXAGON HEAD BOLTS, SCREWS & NUTS OF PRODUCT GRADE A & B PART 5 IS: 1364-1992. NEW DELHI: BIS, 1992.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

BIS. IS: HEXAGON HEAD BOLTS, SCREWS & NUTS OF PRODUCT GRADE A & B PART 5 IS: 1364-1992. BIS, 1992.