Citação norma APA

British Standards Institution. (1981). Specification for calorifiers and storage vessels for central heating and hot water supply. British Standards Institution.

Citação norma Chicago

British Standards Institution. Specification for Calorifiers and Storage Vessels for Central Heating and Hot Water Supply. London: British Standards Institution, 1981.

Citação norma MLA

British Standards Institution. Specification for Calorifiers and Storage Vessels for Central Heating and Hot Water Supply. British Standards Institution, 1981.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.