Mays, Larry W., author
John Wiley & Sons, 2011
Buku Teks
Unesco, 1978
Buku Referensi
Barrow, Christopher J., author
Essex Longman Scientific & Technical, 1987
Buku Teks
Artikel Jurnal
American Society of Civil Engineering, 2018
Majalah, Jurnal, Buletin