Wayland Robert E. (1997). Customer Connections: New Strategies for Growth. Harvard Bus. School Press.
Čikaški stil citiranja (17. izdanje)Wayland Robert E. Customer Connections: New Strategies for Growth. Boston: Harvard Bus. School Press, 1997.
MLA način citiranja (9. izdanje)Wayland Robert E. Customer Connections: New Strategies for Growth. Harvard Bus. School Press, 1997.
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