Tono Purwantoro, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2002
UI - Tesis Membership
Ashby, W. Ross, author
Chapman and Hall , 1973
Buku Teks
edited by Charles R. Dechert
A. Clarion book, 1966
Buku Teks
edited by Bankole Osita Awuzie, Peter McDermott
Springer Nature, 2019
eBooks
Beer, Stafford, author
John Wiley & Sons, 1981
Buku Teks