edited by Wolfgang S. Homburger, Louis E. Keefer and William R. McGrath
Prentice-Hall, 1994
Buku Referensi
Institute of Traffic Engineers ; John E. Baerwald, editor, associate editors, Matthew J. Huber, Louis E. Keefer
Prentice-Hall, 1976
Buku Referensi
Myer Kutz
McGraw-Hill, 2011
Buku Teks
Murthy, A. S. Narasimha
American Society of Civil Engineers, 1993
Buku Teks
Prentice-Hall, 1994
Buku Teks