APA-viite (7. p.)

Lahiri, K. (2007). services marketing: Issues and cases. ICFAI University Press.

Chicago-viite (17. p.)

Lahiri, Keka. Services Marketing: Issues and Cases. Hyderabad: ICFAI University Press, 2007.

MLA-viite (9. p.)

Lahiri, Keka. Services Marketing: Issues and Cases. ICFAI University Press, 2007.