Artikel Jurnal
edited by Peter Lumb & Anne Hazell
Hodja Educational Resources Cooperative, 1983
Buku Referensi
Muhammad Adinegoro Natsir, author
Sekolah Kajian Stratejik dan Global Universitas Indonesia, 2023
UI - Tugas Akhir
Sugars, Breadley J.
McGraw-Hill, 2006
Buku Teks
Brode, John
Harvard University Press, 1969
Buku Referensi