Engel, J. F., Miniard, P. W., & Blackwell, R. D. (1986). Consumer behavior (5th ed.). Dryden Press.
Lua i Stíl Chicago (17ú heag.)Engel, James F., Paul W. Miniard, agus Roger D. Blackwell. Consumer Behavior. 5th ed. Chicago: Dryden Press, 1986.
Lua MLA (8ú heag.)Engel, James F., et al. Consumer Behavior. 5th ed. Dryden Press, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.