Lee, Kuan Yew
Prentice-Hall, 1999
Buku Teks SO
Attiwill, Kenneth
Doubleday, 1960
Buku Teks SO
Dita Putri Prameswari
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2007
UI - Skripsi Membership
Ida Ayu Astuti
Institute of South East Asia Studies, 2013
eBooks
Saw Swee Hock
ISEAS (Institute of Southeast Asian Studies), 2007
Buku Teks