Ford, Kenneth W.
Blaisdell Publishing, 1968
Buku Teks
Kuhn, Karl F.
John Wiley & Sons, 1979
Buku Teks
Rao, Aman
S.S. Mubaruk & Bros PTE, 1996
Buku Teks
Lindsay, Robert Bruce
Van Nostrand Reinhold , 1971
Buku Teks
Keller, Frederick J., 1934-
McGraw-Hill, 1993
Buku Teks