Gaya APA
Friedrich, C, J. (1950).
Revised Edition Constitutional Government and Democracy: Theory and Practice in Europe and America (1).
Boston, New York, Chicago, Atl:
Ginn and Company.
Gaya MLA
Friedrich, Carl., J..
"Revised Edition Constitutional Government and Democracy: Theory and Practice in Europe and America".
1
Boston, New York, Chicago, Atl:
Ginn and Company,
1950.
Koleksi Elektronik.