edited by Max F. Millikan
Little, Brown, 1961
Buku Teks
edited by Max F. Millikan and Donald L.M. Blackmer
Little, Brown, 1961
Buku Teks
World Bank
Oxford University Press for the World Bank, 1993
Buku Teks
Hall, Challis A., author
Holt, Rinehart and Winston, 1960
Buku Teks
Nur Ilmi Sari, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Skripsi (Open)