Siregar, Ashadi, author
Kanisius, 2000
Buku Teks
Aceng Abdullah, author
Remaja Rosdakarya, 2000
Buku Teks
Dominick, Joseph R., author
McGraw-Hill, 1993
Buku Teks
Rampton, Sheldon, author
Penguin, 2003
Buku Teks
Dominick, Joseph R., author
Random House, 1983
Buku Teks