Shepard Forman, Romita Ghosh, editor
Lynne Rienner, 2000
Buku Teks
Netherlands Development Cooperation Information , [date of publication not identified],
Buku Teks
[edited by] Aubrey Sheiham ... [and others]
Quintessence Editora, 2014
Buku Teks
Ewles, Linda, author
Scutari Press, 1995
Buku Referensi
Leger, A.S. St., author
Open UNiversity Press, 1999
Buku Teks