Kranenburg, Roelof, 1880-, author
Samson, 1948
Buku Klasik
Kranenburg, Roelof, 1880-, author
N. Samson, 1948
Buku Teks
Jossey-Bass, 1973
Buku Teks
Commons, John R.
The University of Wisconsin Press, 1961
Buku Teks
H. Azhary, author
Fakultas Hukum UI, 1974
Buku Teks