Diamant-Cohen, Betsy, author
[American Management Association, ], 2009
eBooks
Ika Kartika Amalia, author
2010
UI - Tesis (Open)
Miller, William, author
New York: Columbia University, 1949
Buku Teks
Larsen, Michael
Writer?s Digest Books, 1985
Buku Teks
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2009
UI - Laporan Penelitian