The regime of managing safety and security in the straits of Malacca and Singapore
 Artikel Jurnal
Singapore '78 : This edition covers events and developments in Singapore during 1966-77
Ministry of Culture. The Publicity Division, 1977
 Buku Teks SO
Saw Swee Hock
The population of Singapore
ISEAS (Institute of Southeast Asian Studies), 2007
 Buku Teks
Foreign investment and industrialisation in Singapore
edited by Helen Hughes and You Poh Seng
University of Wisconsin Press, 1969
 Buku Teks
Doing business in Singapore
Price Waterhouse, 1966
 Buku Teks