Kviz, Frederick J.
Litle, Brown & Co, 1980
Buku Teks
K. F. Ibrahim
Longman , 1988
Buku Teks
Mueller, Gerhard G., author
Richard D. Irwin, 1994
Buku Teks
Rheinheimer, G., author
John Wiley & Sons, 1980
Buku Teks
Painter, Paul C.
CRC Press, 1997
Buku Teks