Oppenheim, S. C., & Weston, G. E. (1974). Unfair trade practices and consumer protection: Cases and comments (3rd ed.). West Pub. Co..
Chicago-viite (17. p.)Oppenheim, S. Chesterfield, ja Glen E. Weston. Unfair Trade Practices and Consumer Protection: Cases and Comments. 3rd ed. St. Paul, Minn.: West Pub. Co., 1974.
MLA-viite (8. p.)Oppenheim, S. Chesterfield, ja Glen E. Weston. Unfair Trade Practices and Consumer Protection: Cases and Comments. 3rd ed. West Pub. Co., 1974.
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