Designerbooks, [date of publication not identified]
Buku Referensi
American Society of Civil Engineers, 2018
Majalah, Jurnal, Buletin
daab,
Buku Referensi
Stitt, Fred A., editor
McGraw-Hill, 1999
Buku Referensi
Turner, Janet, author
B.T. Batsford, 1994
Buku Referensi