Gaya APA

Cooter, R., Ulen, T. (1996). Law and economics (Edisi 2). United States of America: Addison - Wesley Pubhlising company.

Gaya MLA

Cooter, Robert., Ulen, Thomas. "Law and economics". Edisi 2 United States of America: Addison - Wesley Pubhlising company, 1996. Text.