APA-ийн эшлэл(7 дахь хэвлэлт)

Zeithaml,Valarie A, & Bitner,Mary Jo Gremler,Dwanye D. Pandit,Ajay. (2019). Services Marketing (7th.). McGraw Hill.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Zeithaml,Valarie A, ба Bitner,Mary Jo Gremler,Dwanye D. Pandit,Ajay. Services Marketing. 7th. Chennai: McGraw Hill, 2019.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Zeithaml,Valarie A, ба Bitner,Mary Jo Gremler,Dwanye D. Pandit,Ajay. Services Marketing. 7th. McGraw Hill, 2019.