APA
Posner Eric.A,, . (2009). Law and social norms. New Delhi: Universal Law Publishing Co.Pvt.Ltd.
Chicago
Posner Eric.A,, . 2009. Law and social norms. New Delhi: Universal Law Publishing Co.Pvt.Ltd.
Harvard
Posner Eric.A,, . (2009). Law and social norms. New Delhi: Universal Law Publishing Co.Pvt.Ltd.
MLA
Posner Eric.A,, . Law and social norms. New Delhi: Universal Law Publishing Co.Pvt.Ltd. 2009.