Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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