Musat, Mircea
The making of the Romanian Unitary National State : international acknowledgement
Military Publishing House, 1985
 Buku Teks SO
Spencer, Herbert
The man versus the state
Watts & Co., 1950
 Buku Teks SO
Decentralizing the civil service : from unitary state to differentiated polity in the United Kingdom
R. A. W. Rhodes [and others]
Open University press, 2003
 Buku Teks
H. Muhammad Mutawally
Pengaruh lemahnya alutsista TNI AL terhadap kedaulatan perairan NKRI = The effect of the weaknesses of Indonesian navi's main equipment armament system (alutsista) against the unitary state of republic of Indonesia waters e sovereignty
Sekolah Kajian Stratejik dan Global Universitas Indonesia, 2010
 UI - Tesis Open
Fox, Richard G.
Victorian criminal procedure : state and federal law
Faculty of Law, Monash University, 1995
 Buku Teks