Buchanan, James M., author
Liberty Fund, Inc., 1999
Buku Referensi
Amila Zulfa Ruknia, author
Fakultas Teknik Universitas Indonesia, 2012
UI - Skripsi (Open)
R. Ismala Dewi, author
BP FKUI, 2013
Buku Teks
R. Ismala Dewi, author
UI Press, 2013
Buku Teks
Haposan, Immanuel Y., author
Universitas Indonesia, 2004
UI - Tesis (Membership)