Komatsu, 1984
Buku Teks
Lewis, Jack R.
Prentice-Hall, 1975
Buku Teks
Morgan, Carroll, 1952-, author
Prentice-Hall, 1994
Buku Teks
The Asphalt Institute
Maryland: The Asphalt Institute, [date of publication not identified]
Buku Teks
Ayers, Chesley, author
McGraw-Hill, 1984
Buku Teks