edited by John D. Edwards
Prentice-Hall, 1992
Buku Referensi
Myer Kutz
McGraw-Hill, 2011
Buku Teks
Institute of Traffic Engineers ; John E. Baerwald, editor, associate editors, Matthew J. Huber, Louis E. Keefer
Prentice-Hall, 1976
Buku Referensi
edited by George R. Strakosch, Robert S. Caporale
John Wiley & Sons, 2010
Buku Teks
edited by Wolfgang S. Homburger, Louis E. Keefer and William R. McGrath
Prentice-Hall, 1994
Buku Referensi