Ballast, David Kent
Handbook of construction tolerances
McGraw-Hill, 1994
 Buku Referensi
Concrete construction handbook
edited by Joseph J. Waddell, Joseph A. Dobrowolski
McGraw-Hill, 1993
 Buku Referensi
Concrete construction engineering handbook
editor-in-chief, Edward G. Nawy
CRC Press, Taylor & Francis Group, 2008
 Buku Referensi
Concrete construction engineering handbook
editor-in-chief, Edward G. Nawy
CRC Press , 1997
 Buku Referensi
Wood engineering and construction handbook
edited by Keith F. Faherty, Thomas G. Williamson
McGraw-Hill, 1995
 Buku Referensi