Williamson, David
The Department
Currency Press, 1975
Buku Teks
Beard, Mike
Running a public relations department
Kogan Page, 2001
Buku Teks
Bache, Johnm author
Handbook of emergency department procedures
Mosby, 2003
Buku Referensi
Moliterno, James E.
The litigation department lawyer
West, 2011
Buku Teks
Ferry, John William
A history of the department store
Macmillan, 1960
Buku Teks