Wheare, K. C.
Federal government / K. C. Wheare
Oxford University Press, 1963
Buku Teks
McWhinney, Edward
Federal constitution-making for a multi-national world
A.W. Sijthoff, 1966
Buku Teks
Evaluating federal systems / edited by Bertus De Villiers
M. Nijhoff Publishers, 1994
Buku Teks
Joske, Percy Ernest
Australian federal government
Butterworth, 1967
Buku Teks
A nation of states : essays on the American federal system
edited by Robert A. Goldwin
Rand McNally, 1963
Buku Teks