Sawer, Geoffrey, 1910-1996
Australia federalism in the courts
Melbourne University Press, 1967
 Buku Teks SO
Sawer, Geoffrey, 1910-1996
Australia federalism in the courts
Melbourne University Press, 1967
 Buku Teks SO
Leach, Richard H.
American federalism
W.W. Norton, 1970
 Buku Teks
Adfin Rochmad Baidhowah
Explaining existing performance of Indonesia's audit board: Informal networks, constitutional maker's decision, and constitutional reform
Badan Pemeriksa Keuangan Direktorat Penelitian dan Pengembangan, 2020
 Artikel Jurnal
Rossum, Ralph A.
Federalism, the Supreme Court, and the Seventeenth Amendment
Lexington Books, 2001
 Buku Teks