Sleeper, H. R. (1955). Building planning and design standards for architects, engineers, designers, consultants, building committees, draftsmen and students. Wiley.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sleeper, Harold Reeve. Building Planning and Design Standards for Architects, Engineers, Designers, Consultants, Building Committees, Draftsmen and Students. New York: Wiley, 1955.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sleeper, Harold Reeve. Building Planning and Design Standards for Architects, Engineers, Designers, Consultants, Building Committees, Draftsmen and Students. Wiley, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.