Kleitz, William
Pearson/Prentice Hall, , 2008.
Buku Teks
Kleitz, William, author
Upper Saddle River, N.J. Prentice Hall 1996,
Buku Teks
Gothmann, William H.
Prentice-Hall, 1982
Buku Teks
Bignell, James, author
McGraw-Hill, 1985
Buku Teks
Samuel H. Tirtamihardja, author
Andi, 1996
Buku Teks