Chin Kon Yit
Jugra Publications, 2003
Buku Teks
Sheila Putrianti Narita
Fakultas Teknik Universitas Indonesia, 2010
UI - Skripsi (Open)
Niles, Olive S.
Georgia Scott 1984
Buku Teks
Drucker, Peter Ferdinand, 1909-2005
Harper & Brothers, 1959
Buku Teks
Raja Nazrin Shah
RNS Publications Sdn Bhd, 2006
Buku Referensi