Gomez, Lola, author
HBI, 2002.
Buku Teks
edited by Hillol Kargupta
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Harper & Brothers, 1957
Buku Teks
Ohmae, Kenichi, author
Indek Gramedia, 2005
Buku Teks
The Government of Singapore, 1991
Buku Teks