Ramsey, C. G. 1., Sleeper, H. R. 1., Sleeper, H. R., & Sleeper, H. R. R. (1998). Architectural graphic standards for architects, engineers, decorators, builders, and draftsmen (Facsim. ed.). New York: Wiley.
Παραπομπή Chicago StyleRamsey, Charles George 1884-1963, Harold Reeve 1893-1960 Sleeper, Harold Reeve Sleeper, and Harold R.(Harold Reeve) Sleeper. Architectural Graphic Standards for Architects, Engineers, Decorators, Builders, and Draftsmen. Facsim. ed. New York: Wiley, 1998.
Παραπομπή MLARamsey, Charles George 1884-1963, Harold Reeve 1893-1960 Sleeper, Harold Reeve Sleeper, and Harold R.(Harold Reeve) Sleeper. Architectural Graphic Standards for Architects, Engineers, Decorators, Builders, and Draftsmen. Facsim. ed. New York: Wiley, 1998.