Lahiri, K. (2007). services marketing: Issues and cases. ICFAI University Press.
Lua i Stíl Chicago (17ú heag.)Lahiri, Keka. Services Marketing: Issues and Cases. Hyderabad: ICFAI University Press, 2007.
Lua MLA (9ú heag.)Lahiri, Keka. Services Marketing: Issues and Cases. ICFAI University Press, 2007.
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