Gothmann, William H.
Prentice-Hall, 1982
Buku Teks
Gothmann, William H.
Prentice-Hall, 1982
Buku Teks
Kleitz, William
Pearson/Prentice Hall, , 2008.
Buku Teks
Laurila, Simo H.
John Wiley & Sons, 1976
Buku Teks
Harter, James H
Reston Publishing Company, 1984
Buku Teks