edited by Adam Kuper and Jessica Kuper
Routledge, 1996
Buku Referensi
David L. Sills, Robert K. Merton, editors
MacMilan Publishing, 1991
Buku Referensi
Thompson Gale, 2005
Buku Teks
SAGE Reference, 2011
Buku Referensi
editor, in.chief, R.P. Jain; editors, V.K. Gendhi, Artul Amand, Anuj Kohli, Anil Sharga
Crest Publishing House, 1998,
Buku Referensi