Tiwari, Aravind, author
APH Publishing, 2002
Buku Teks
edited by Andrea M. Morrison
[American Management Association, ], 2008
eBooks
edited by Peter Brophy; Shelagh Fisher; Zoe Clarke
Library Association Publishing, 2000
Buku Teks
McMenemy, David, author
Facet, 2006
Buku Referensi
Halaychik, Corey S., author
Chandos Publishing, 2018
Buku Teks