Lenk, John D.
Handbook of electronic test procedures
Prentice-Hall, 1982
 Buku Referensi
Morton, Joyce
Legal office procedures
Prentice-Hall, 1998
 Buku Teks
Oliverio, Mary Ellen, 1926-
The office : procedures and technology
South Western Cengage Learning, 2013
 Buku Teks
The handbook of office urological procedures
editor; Hashim Hashim, Paul Abrams, Roger Dmochowski
Springer, 2008
 Buku Teks
Cohen, Elaine, 1938-
Planning the electronic office
McGraw-Hill, 1993
 Buku Teks SO