Não informado. (1961). Housing and planning references. Department of Housing and Urban Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Housing and Planning References. Washington: Department of Housing and Urban Development, 1961.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Housing and Planning References. Department of Housing and Urban Development, 1961.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.
