Krzanowski, Joseph, author
McGraw-Hill, 2003
Buku Teks
Hall, Gary D., author
Prentice-Hall, 1992
Buku Teks
Shurpin, Kathleen M., author
Appleton & Lange , 1999
Buku Teks
Pelletier, Catherine E., author
McGraw-Hill, 2003
Buku Teks
Odwin, Charles S.
McGraw-Hill, 2012
Buku Teks