Institute of Traffic Engineers ; John E. Baerwald, editor, associate editors, Matthew J. Huber, Louis E. Keefer
Prentice-Hall, 1976
Buku Referensi
edited by H. Douglas Robertson, Joseph E. Hummer and Donna C. Nelson
Prentice-Hall, 1994
Buku Teks SO
Murthy, A.S. Narasimha
American Society of Civil Engineers, 1993
Buku Teks SO
Myer Kutz
McGraw-Hill, 2011
Buku Teks
edited by C.A. O'Flaherty
Edward Arnold, 1997
Buku Teks