Hepler, Donald E. Architecture : drafting and design / Donald E. Hepler, Paul R. Wallach, Dana J. Hepler. - 6th ed. - Mission Hills, Calif. : Glencoe/McGraw-Hill, c1991. - x, 662 p. : ill. (some col.) ISBN: 0070283222 Subjects--Topical Terms: Architectural drawing.Architectural design.