Dushkin; McGraw-Hill, 2002
Buku Teks
Dushkin/McGraw-Hill , 1999
Buku Teks
edited by Robert W. Price
Dushkin/McGraw-Hill, 2000
Buku Teks
edited by Elvio Angeloni
McGraw-Hill/Dushkin, 2002
Buku Teks
Christin Agustina P., author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2009
UI - Tesis (Open)