Simmons, Colin H., author
Edward Arnold, 1995
Buku Referensi
Simmons, Colin H., author
Elsevier, 2009
Buku Referensi
Boundy, Albert W.
McGraw-Hill, 2008
Buku Teks
Boundy, Albert W., author
McGraw-Hill, 2012
Buku Teks
Lombardo, Josef Vincent, author
Barnes & Noble, 1956
Buku Teks