S. Prajudi Atmosudirdjo, author
Februari, 1973
Buku Teks
Galloway, Lee, author
Alexander Hamilton Institute, 1914
Buku Teks
Littlefield, C. L.
Prentice-Hall, 1971
Buku Teks
Sutarto, author
Gajah Mada University Press, 1992
Buku Teks
Sutarto, author
Gajah Mada University Press, 1989
Buku Teks