Lua APA (7ú heag.)

Wirtz, J., & Lovelock Christopher Chatterjee Jayanta Das Gopal. (2019). Essentials of Services Marketing (3rd.). Pearson.

Lua i Stíl Chicago (17ú heag.)

Wirtz, Jochen, agus Lovelock Christopher Chatterjee Jayanta Das Gopal. Essentials of Services Marketing. 3rd. Noida: Pearson, 2019.

Lua MLA (9ú heag.)

Wirtz, Jochen, agus Lovelock Christopher Chatterjee Jayanta Das Gopal. Essentials of Services Marketing. 3rd. Pearson, 2019.

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