Awang Goneng, author
Monsoon books pte ltd, 2011
Buku Teks
Haig, Francesca, author
Noura Books, 2016
Buku Teks
Abe, Kobo, author
Charles E. Tuttle, 1969
Buku Teks
Policy, alternatives for the Carribean and central America
Institute Studies, 1984
Buku Teks
edited Jeffrey Jowell and Dawn Oliver
Clarendon Press, 1989
Buku Teks