Arju Jannaka, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2016
UI - Makalah dan Kertas Kerja
Mallette, M. Frank
Wiley Eastern Private Limited Publishers, 1968
Buku Teks
Emge, Carl August
Frankfurt, 1955
Buku Teks
Christ, Carl F.
Stanford, Call. Sstandord University Press 1963,
Buku Teks
Lindgren, Carl-Johan
International Monetary Fund , 1996
Buku Teks