Marsh, S. B.
McGraw-Hill, 1992
Buku Teks
Dunung, Sanjyot P., author
Lexington Books, 1995
Buku Referensi
Curtis, Dan B., author
Remaja Rosdakarya, 1992
Buku Teks
Redstone, Louis G.
New York: McGraw-Hill, 1976
Buku Teks
Libert, Barry, author
FT Press, 2009
Buku Teks