Howard, J. A., & Ostlund, L. E. (1973). Buyer behavior: Theoretical and empirical foundations. Alfred A. Knopf.
Lua i Stíl Chicago (17ú heag.)Howard, John A., agus Lyman E. Ostlund. Buyer Behavior: Theoretical and Empirical Foundations. Nueva York: Alfred A. Knopf, 1973.
Lua MLA (9ú heag.)Howard, John A., agus Lyman E. Ostlund. Buyer Behavior: Theoretical and Empirical Foundations. Alfred A. Knopf, 1973.
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