Timber Engineering Company
F.W. Dodge Corp., 1956
Buku Referensi
Lange, Kurt, editor
McGraw-Hill, 1985
Buku Referensi
Wang, Shan K., author
McGraw-Hill, 1993
Buku Referensi
edited by Charles A. Harper
McGraw-Hill, 2000
Buku Referensi
Ballast, David Kent, author
McGraw-Hill, 1994
Buku Referensi