Hoffman, K. (2006). Services marketing: Concepts, strategies and cases (3rd.). Thomson South- Western Publ.
Lua i Stíl Chicago (17ú heag.)Hoffman, K. Services Marketing: Concepts, Strategies and Cases. 3rd. Delhi: Thomson South- Western Publ, 2006.
Lua MLA (9ú heag.)Hoffman, K. Services Marketing: Concepts, Strategies and Cases. 3rd. Thomson South- Western Publ, 2006.
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