SCHONBERGER RIC. (1990). BUILDING A CHAIN OF CUSTOMERS. THE FREE PRESS.
Chicago-čujuhus (17. p.)SCHONBERGER RIC. BUILDING A CHAIN OF CUSTOMERS. NEW YORK: THE FREE PRESS, 1990.
MLA-čujuhus (9. p.)SCHONBERGER RIC. BUILDING A CHAIN OF CUSTOMERS. THE FREE PRESS, 1990.
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