Sleeper, H. R. (1955). Building planning and design standards for architects, engineers, designers, consultants, building committees, draftsmen and students. Wiley.
Lua i Stíl Chicago (17ú heag.)Sleeper, Harold Reeve. Building Planning and Design Standards for Architects, Engineers, Designers, Consultants, Building Committees, Draftsmen and Students. New York: Wiley, 1955.
Lua MLA (9ú heag.)Sleeper, Harold Reeve. Building Planning and Design Standards for Architects, Engineers, Designers, Consultants, Building Committees, Draftsmen and Students. Wiley, 1955.
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