Dickson, Gary W., author
McGraw-Hill, 1985
Buku Teks
Dickson, Gary W., author
McGraw-Hill, 1985
Buku Teks
Rowley, Jennifer, author
Gower , 2000
Buku Teks
Rowley, Jennifer, author
Ashgate , 2004
Buku Teks
Murdick, Robert G., author
Erlangga, 1997
Buku Teks