Bowden, John, author
Comwell Press, 1994
Buku Referensi
Bowden, John, author
How to Books, 1994
Buku Referensi
Yang, Otto O.
Springer Science, 2012
eBooks
Brown, Leland, author
Prentice-Hall, 1959
Buku Teks
Netzley, Michael, author
Prentice-Hall, 2001
Buku Teks