Baker, Sharon L., author
Libraries Unlimited, 1993
Buku Teks
Hill, Norman C., author
McGraw-Hill, 1984
Buku Teks
edited by Christopher G. Reddick, Jerrell D. Coggburn
CRC Press, 2008
Buku Referensi
Arthur, Diane, author
[American Management Association;, ], 2001
eBooks
Mungiu-Pippidi, Alina, author
Cambridge University Press, 2015
Buku Teks