Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.