Purba, Juliasman, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2006
UI - Tesis (Membership)
David, Paul I
Brookings Institution, 1957
Buku Teks
Stephen E. Condrey, editor
Jossey-Bass, 2010
Buku Teks
Naff, Katherine C., author
CRC Press, 2014
Buku Teks
Liff, Stewart, author
[American Management Association;, ], 2011
eBooks