Ballast, David Kent
Handbook of construction tolerances
McGraw-Hill, 1994
 Buku Referensi
Ballast, David Kent
Interior construction and achitects / David Kent Ballast
Professional Publications, 2002
 Buku Teks
Structural engineering handbook
edited by Edwin H. Gaylord, Charles N. Gaylord
McGraw-Hill, 1968
 Buku Referensi
Structural engineering handbook
edited by Edwin H. Gaylord, Charles N. Gayrold
McGraw-Hill, 1979
 Buku Referensi
Construction cost estimating: process and practices
Len Holm [et.al]
Pearson/Prentice Hall, 2005
 Buku Teks