Berman, Alan
FrancesLincoln limited, 1997
Buku Teks
Berman, Alan, author
Frances Lincoln , 1997
Buku Referensi
Lane, thomas, author
Conran Octopus, 1996
Buku Referensi
Bettigole, Neal
ASCE, 1997
Buku Teks
Rusdi Tommy, author
Universitas Indonesia, 2004
UI - Skripsi (Membership)