Cole, Taylor
Duke University Press , 1949
Buku Teks
Kluwer Law International, 1996
Buku Teks
Manning, George, 1943-, author
McGraw-Hill, 2015
Buku Teks
Macchiavelli, author
Da Capo Press, 2001
Buku Teks
Myers, Bernard S., author
McGraw-Hill, 1967
Buku Teks