American democracy : in world perspective
by William Ebenstein [and others]
Harper & Row, Publishers, 1970
 Buku Teks
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
Swisher, Carl Brent
American constitutional development
Houghton Miffiln, 1943
 Buku Teks
Latin American politics and development
edited by Howard J. Wiarda, Harvey F. Kline
Westview Press, 2007
 Buku Teks