Barnett, A. Doak (Arthur Doak), author
Overseas Development Council, 1979
Buku Teks
edited by Ian Wilson
Angus and Robertson, 1973
Buku Teks
Brown, Kerry, 1967-, author
I.B. Tauris, 2017
Buku Teks
Artikel Jurnal
Schwartz, Harry, author
Atheneum, 1966
Buku Teks