ISI. (1984). IS: SPECIFICATION FOR FLAT GLASS OIL LEVEL GAUGES FOR OIL STORAGE TANKS IS : 6202-1971. ISI.
Chicago-Zitierstil (17. Ausg.)ISI. IS: SPECIFICATION FOR FLAT GLASS OIL LEVEL GAUGES FOR OIL STORAGE TANKS IS : 6202-1971. NEW DELHI: ISI, 1984.
MLA-Zitierstil (9. Ausg.)ISI. IS: SPECIFICATION FOR FLAT GLASS OIL LEVEL GAUGES FOR OIL STORAGE TANKS IS : 6202-1971. ISI, 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.