editor, Gabriele Koehler, Deepta Chopra
Routledge, 2014
Buku Teks
Cochrane, Susan H., author
World Bank, 1983
Buku Teks
Stein, Theodore J., author
Columbia University Press, 2001
Buku Teks
edited and introduced by Andrew Shonfield and Stella Shaw
Heinemann Educational Books, 1972
Buku Teks
Petrakis, Panagiotis, author
Springer-Verlag, 2014
Buku Teks