APA
Bell C. R., . (2009). Customer Loyalty Guaranteed: Create, Lead, And Sustain Remarkable Customer Service. : Viva.
Chicago
Bell Chip R, . 2009. Customer Loyalty Guaranteed: Create, Lead, And Sustain Remarkable Customer Service. : Viva.
Harvard
Bell C. R., . (2009). Customer Loyalty Guaranteed: Create, Lead, And Sustain Remarkable Customer Service. : Viva.
MLA
Bell Chip R, . Customer Loyalty Guaranteed: Create, Lead, And Sustain Remarkable Customer Service. : Viva. 2009.