Wirtz, J., & Lovelock Christopher Chatterjee Jayanta Das Gopal. (2019). Essentials of Services Marketing (3rd.). Pearson.
Citazione stile Chigago Style (17a edizione)Wirtz, Jochen, e Lovelock Christopher Chatterjee Jayanta Das Gopal. Essentials of Services Marketing. 3rd. Noida: Pearson, 2019.
Citatione MLA (9a ed.)Wirtz, Jochen, e Lovelock Christopher Chatterjee Jayanta Das Gopal. Essentials of Services Marketing. 3rd. Pearson, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.