United Nations , 1990
Buku Teks
Miller, Jamie, author
Oxford University Press, 2016
eBooks
The American Society of African Culture, 1966
Buku Teks
Mandela, Nelson, 1918-2013, author
Picador, 2010
Buku Teks
Maguire, Keith, author
Chambers, 1991
Buku Teks