American democracy : in world perspective
by William Ebenstein [and others]
Harper & Row, Publishers, 1970
 Buku Teks SO
Schwartz, Urs
American strategy: a new perspective
Doubleday, 1966
 Buku Teks
Arindy
Strategi Pengembangan Layanan Dompet Digital dengan Perspektif Preferensi Multigenerasi = Development Strategy for Digital Wallet Services Based on The Multigenerational Preference Perspective.
Fakultas Teknik Universitas Indonesia, 2020
 UI - Tesis Membership
Latin American politics and development
edited by Howard J. Wiarda, Harvey F. Kline
Westview Press, 2007
 Buku Teks SO
Wynia, Gary W.
The politics of Latin American development
Cambridge University Press , 1984
 Buku Teks SO