Srinivasan R. (2012). Services marketing (3rd ed.). PHI Learning.
Lua i Stíl Chicago (17ú heag.)Srinivasan R. Services Marketing. 3rd ed. New Delhi: PHI Learning, 2012.
Lua MLA (9ú heag.)Srinivasan R. Services Marketing. 3rd ed. PHI Learning, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.