Zierep, Jurgen
Springer-Verlag, 1978
Buku Teks
Warsi, Z.U.A.
CRC Press, 1999
Buku Teks SO
edited by Jaime Klapp, Anne Cros, Oscar Velasco Fuentes, Catalina Stern, Mario Alberto Rodriguez Meza
Springer, 2012
eBooks
John, James, auhtor
Pearson-Prentice-Hall, 2006
Buku Teks SO
Bond, John W.
Addison-Wesley, 1965
Buku Teks SO