BIS. (1988). AMENDMENT NO.5 OCT 1988 IS: 2825-1969 CODE FOR UNFIRED PRESSURE VESSELS. BIS.
Chicago-viite (17. p.)BIS. AMENDMENT NO.5 OCT 1988 IS: 2825-1969 CODE FOR UNFIRED PRESSURE VESSELS. NEW DELHI: BIS, 1988.
MLA-viite (9. p.)BIS. AMENDMENT NO.5 OCT 1988 IS: 2825-1969 CODE FOR UNFIRED PRESSURE VESSELS. BIS, 1988.
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