APA-ийн эшлэл(7 дахь хэвлэлт)

Wirtz,jochen, & Lovelock,christopher. (2022). services marketing: People technology strategy. world scientifix.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Wirtz,jochen, ба Lovelock,christopher. Services Marketing: People Technology Strategy. New jersey: world scientifix, 2022.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Wirtz,jochen, ба Lovelock,christopher. Services Marketing: People Technology Strategy. world scientifix, 2022.