Edited by Christopher P. Nemeth
VT : Ashgate, 2008
Buku Teks
Dunne, Lavon J.
McGraw-Hill, 2001
Buku Teks SO
ed. by Howard S. Rowland
An Aspen publication , 1984
Buku Referensi
Miller, Peter
Little, Brown, 1983
Buku Teks SO
Multi Kirana Pratama, 1997
Buku Referensi