Stephen John Stedman
0, 0
Buku Teks
Wulf, Herbert, author
Palgrave Macmillan, 2005
Buku Teks
Khadduri, Majid, 1908-2007, author
The Johns Hopkins Press, 1955
Buku Teks
Schweitzer, Albert, author
Henry Holt, 1958
Buku Teks
Ziegler, David M., author
Little, Brown, 1981
Buku Teks