Wayland Robert E. (1997). Customer Connections: New Strategies for Growth. Harvard Bus. School Press.
Chicago-referens (17:e uppl.)Wayland Robert E. Customer Connections: New Strategies for Growth. Boston: Harvard Bus. School Press, 1997.
MLA-referens (9:e uppl.)Wayland Robert E. Customer Connections: New Strategies for Growth. Harvard Bus. School Press, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.