Environmental, health, and safety auditing handbook
Lee Harrison, editor in chief
McGraw-Hill, 1995
 Buku Referensi
Supplement to the environmental, health, and safety auditing handbook
edited by Lee Harrison
McGraw-Hill, 1997
 Buku Referensi
Carlson, Ronald L.
Criminal justice procedure for police
Anderson, 1970
 Buku Teks
The handbook of alternative education
editor, Jerry Mintz
Macmillan, 1994
 Buku Referensi
De Vries, Mary Ann
Complete secretary's handbook
Prentice-Hall, 1991
 Buku Referensi