Citazione APA

Gronroos, C. . . .. (2007). Service management and marketing: Customer relationship management approach (2nd ed.). John Wiley.

Stile di citazione Chicago

Gronroos, Christian. Service Management and Marketing: Customer Relationship Management Approach. 2nd ed. London: John Wiley, 2007.

Citazione MLA

Gronroos, Christian. Service Management and Marketing: Customer Relationship Management Approach. 2nd ed. John Wiley, 2007.