توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

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