Smethrust, George
Thomas Telford, 1997
Buku Teks
Powell, Sheppard T., author
McGraw-Hill, 1954
Buku Teks
A Halsted Press Book, 1979
Buku Referensi
Crittenden, John C., author
John Wiley & Sons, 2012
Buku Teks
Mariyana Yusrifah, author
Fakultas Teknik Universitas Indonesia, 2015
UI - Skripsi (Membership)