Uniting the peoples and nation : readings in world federalism

 Walker, Barbara;

New York : United Nation office , 1983

Federalisme untuk Indonesia

 Nasution, Adnan Buyung; Amal, Ichlasul; Alrasid, Harun;

Jakarta : Kompas , 2000

Kontroversi negara federal : mencari bentuk negara ideal Indonesia masa depan / Editor: Ikrar Nusa Bhakti dan Riza Sihbudi

 Sihbudi, Riza; Bhakti, Ikrar Nusa;

Bandung : Mizan , 2002

America's second revolution :how George Washington defeated Patrick Henry and saved the nation

 Unger, Harlow G.,;

Hoboken, N.J. : : John Wiley & Sons , 2007