Kelley, Walter G.
Academic Press, 1991.
Buku Teks
Ayres, Frank, 1901-1994, author
Erlangga , 1986
Buku Teks
Hochstadt, Harry, author
John Wiley & Sons, 1973
Buku Teks
Agnew, Ralph Palmer, author
McGraw-Hill, 1160
Buku Teks
Javaher, James N., author
MrCutrhan, 1967
Buku Teks