Não informado. (1951). Building research in Canada. National Research Council, Division of Building Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Building Research in Canada. Ottawa: National Research Council, Division of Building Research, 1951.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Building Research in Canada. National Research Council, Division of Building Research, 1951.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.