World guide to scientific associations and learned societies
K.G. Saur, 1994
 Buku Referensi
Carlin
Peran FDMA di dalam sosialisasi mitigasi bencana = Roles of FDMA in the socializations of disaster mitigation
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2011
 UI - Skripsi Open
The World of learning 1994 : forty-fourth edition
Europa Publications Limited, 1993
 Buku Referensi
The World of learning 1984-85 : thirty-fifth edition
Europa Publications Limited, 1984
 Buku Referensi
Turner, H. Haines
Case studies of consumers’ cooperatives : successful cooperatives started by Finnish groups in the United States, studied in relation to their social and economic environment / by H. Haines Turner
Columbia University Press, 1991
 Buku Teks