Buchanan, James M.
The collected works of James M. Buchanan vol. 13 : politics as public choice
Liberty Fund, 2000
 Buku Referensi
Buchanan, James M.
The collected works of James M. Buchanan vol. 17 : moral science and moral order
Liberty Fund, Inc., 2001
 Buku Referensi
Buchanan, James M.
The collected works of James M. Buchanan vol. 16 : choice, contract, and constitutions
Liberty Fund, Inc., 2001
 Buku Referensi
Jurnal ilmu politik 3
oleh Asosiasi Ilmu Politik
Gramedia Pustaka Utama, 1988
 Buku Teks SO
Dyke, Vernon van
Introduction to politics
Nelson, 1992
 Buku Teks SO