Rizzoni, Giorgio
McGraw-Hill, 2009
Buku Teks SO
Graff, Heinz
Edition Leipzig, 1968
Buku Teks SO
Graff, Heinz
Edition Leipzig, 1969
Buku Teks SO
edited by Sheldon S.L. Chang
John Wiley & Sons, 1983
Buku Referensi
Shrader, Robert L.
McGraw-Hill, 1977
Buku Teks SO