edited by, Guillermo O`Donnell, Philippe C. Schmitter and Laurence Whitehead
The Johns Hopkins University Press, 1989
Buku Teks
edited by Guillermo O`Donnell, Philippe C. Schmitter and Laurence Whitehead
The Johns Hopkins University Press, 1988
Buku Teks
edited by, Guillermo O`Donnell, Philippe C. Schmitter and Laurence Whitehead
The Johns Hopkins University Press, 1986
Buku Teks
Clagett, Helen L.
Oceana Publications, 1952
Buku Teks
Berle, Adolf A., Jr.
Harper & Row, , 1962
Buku Teks