Cohen, Bernard Cecil, 1926-, author
Princeton University Press, 1969
Buku Teks
Qi, Wen, author
Foreign Languages Press, 1984
Buku Teks
by Frank B. Feigert ... [et al.] ; edited by Don C. Piper and Ronald J. Terchek
American Enterprise Institute for Public Policy Research, 1983
Buku Teks
Ministry of Foreign Affairs of the Republic of Afghanistan , 1989
Buku Teks
The Royal Danish Ministry of Foreign Affairs,, 1957
Buku Teks