The Asean Secretariat , 1992
Buku Teks
edited by Daljit Singh, Liak Teng Kiat
Institute of Southeast Asian Studies, 1995
Buku Teks
The Centre for East Asian Cultural Studies, 1992
Buku Teks
Asian-Pacific Center , 1996
Buku Teks
Wilson, 1950
Buku Teks