APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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