compiled by Michael and Irene Ash
Gower, 1996
Buku Referensi
editor, John J. McKetta
Marcel Dekker, 1993
Buku Referensi
Goetsch, David L.
Prentice-Hall, 2000
Buku Teks SO
Cadick, John
McGraw-Hill, 1994
Buku Referensi
John Cadick, Mary Capelli-Schellpfeffer, Dennis Neitzel, Al Wienfield
McGraw-Hill, 2012
Buku Teks