Citazione Stile APA (7a Edizione)

Gronroos Christian. (2016). Services Management and Marketing (3.). Wiley.

Citazione stile Chigago Style (17a edizione)

Gronroos Christian. Services Management and Marketing. 3. New Delhi: Wiley, 2016.

Citatione MLA (9a ed.)

Gronroos Christian. Services Management and Marketing. 3. Wiley, 2016.