Não informado. (1968). Building research station current papers. Ministry of Public Building and Worlks.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Building Research Station Current Papers. Garston, Inglaterra: Ministry of Public Building and Worlks, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Building Research Station Current Papers. Ministry of Public Building and Worlks, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.