British Standards Institution. (1976). Specification for welded steel boilers for central heating and indirect hot water supply (rated output 44 kW to 3 MW. British Standards Institution.
芝加哥风格引文British Standards Institution. Specification for Welded Steel Boilers for Central Heating and Indirect Hot Water Supply (rated Output 44 KW to 3 MW. London: British Standards Institution, 1976.
MLA引文British Standards Institution. Specification for Welded Steel Boilers for Central Heating and Indirect Hot Water Supply (rated Output 44 KW to 3 MW. British Standards Institution, 1976.
警告：这些引文格式不一定是100％准确.