(1974). The study of society. The Dushkin Publishing Group.
Čikaški stil citiranja (17. izdanje)The Study of Society. Guilford: The Dushkin Publishing Group, 1974.
MLA način citiranja (9. izdanje)The Study of Society. The Dushkin Publishing Group, 1974.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.