edited by Shireen Hunter ; foreword by Robert G. Neumann and G. Henry M. Schuler
Westview Press, 1985
Buku Teks
Csapo, Tamas, editor
Springer, 2012
eBooks
Moran, Theodore H.
Resources for the Future, 1978
Buku Teks
Mason, Edward S., author
Fordham University Press, 1958
Buku Teks
Heller, Walter W.
[publisher not identified], 1974?
Buku Teks