Oppenheim, S. C., & Weston, G. E. (1974). Unfair trade practices and consumer protection: Cases and comments (3rd ed.). West Pub. Co..
Lua i Stíl Chicago (17ú heag.)Oppenheim, S. Chesterfield, agus Glen E. Weston. Unfair Trade Practices and Consumer Protection: Cases and Comments. 3rd ed. St. Paul, Minn.: West Pub. Co., 1974.
Lua MLA (8ú heag.)Oppenheim, S. Chesterfield, agus Glen E. Weston. Unfair Trade Practices and Consumer Protection: Cases and Comments. 3rd ed. West Pub. Co., 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.