Hardy, Steve
McGraw-Hill, 1998
Buku Teks SO
De Chiara, Joseph, 1929-
McGraw-Hill International Edition, 1991
Buku Referensi
editors, Joseph De Chiara, Julius Panero, Martin Zelnik
McGraw-Hill, 2001
Buku Referensi
Watson, Donald ; Plattus, Alan ; Shibley, Robert G., editor
McGraw - Hill, 2003
Buku Referensi
Nashed, Fred
McGraw-Hill, 1995
Buku Teks SO