Murthy, D. B. N. (1999). Managing quality: A practical guide to customer satisfaction. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Murthy, D. B. N. Managing Quality: A Practical Guide to Customer Satisfaction. New Delhi ; Thousand Oaks, CA: Sage Publications, 1999.
Lua MLA (8ú heag.)Murthy, D. B. N. Managing Quality: A Practical Guide to Customer Satisfaction. Sage Publications, 1999.
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