Ghiani, Gianpaolo
John Wiley & Sons, 2013
Buku Teks
Heskett, J.L.
The Ronald Press Comp., 1964
Buku Teks
Heshett, J.L.
The Ronald Press Comp., 1964
Buku Teks
Constantin, James A.
Appleton-Century-Crofts, 1966
Buku Teks
Arnold, J.R. Tony
Pearson/Prentice Hall, 2004
Buku Teks