APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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