Schiffman, L. G. (2019). Consumer Behavior (12th.). Pearson.
Lua i Stíl Chicago (17ú heag.)Schiffman, Leon G. Consumer Behavior. 12th. New Delhi: Pearson, 2019.
Lua MLA (9ú heag.)Schiffman, Leon G. Consumer Behavior. 12th. Pearson, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.