Rohan Gunaratna, Stefanie Kam.
Imperial College Press, 2016
Buku Teks
edited with an introduction, by Yonah Alexander and Seymour Maxwell Finger; with a foreword by Hans J. Margenthan
McGraw-Hill, 1977
Buku Teks
Pisoiu, Daniela, author
Routledge, Taylor & Francis Group, 2018
Buku Teks
edited by Chris E. Stout
Greenword , 2002
Buku Teks
Goh Chok Tong, author
Ministry of Information, Communications and the Arts, 2004
Buku Teks