Steinberg, Dave S., author
Wiley, 1980
Buku Teks
Money, Steve, author
PC Publishing, 1990
Buku Referensi
Johnson, J. Richard, author
John F. Rider, 1962
Buku Teks
Hugo Marcelo Veit, Ana Moura Bernardes, editors
Springer, 2015
Buku Teks
Villanucci, Robert S., author
Prentice-Hall, 1981
Buku Teks