Cheremisinoff, Nicholas P., author
M. Dekker, 1996
Buku Referensi
Woodson, R. Dodge, author
Elsevier, 2012
Buku Teks
by Stanley S. Survey ... [and others]
Foundation Press, 1972
Buku Teks
Wentz, Charles A., author
McGraw-Hill, 1995
Buku Teks
Hamilton, Robert W., author
West Publishing, 1984
Buku Teks