Galjart, B.F.
Centre for Agricultural Publishing and Documentation, 1968
Buku Teks
Walton, Richard E., author
McGraw-Hill, 1965
Buku Teks
edited by P.A. Lamal
Hemisphere, 1991
Buku Teks
Firman Shantyabudi, author
Program Pascasarjana Universitas Indonesia, 2000
UI - Tesis Membership
Muhil Shonhadji, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2001
UI - Tesis Membership