Clough, Richard Hudson
John Wiley & Sons, c1991
Buku Teks
Levy, Sidney M.
McGraw-Hill, 2012
Buku Teks
Schexnayder, Clifford J.
McGraw-Hill, 2004
Buku Teks
Levy, Sydney M.
McGraw-Hill , [Date of publication not identified]
Buku Teks
Levy, Sidney M.
McGraw-Hill , 2002
Buku Teks