230733 Rothery, B. (1997). Standards in the services industry. Aldershot, Hampshire : Gower.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र230733 Rothery, Brian. Standards in the Services Industry. Aldershot, Hampshire : Gower, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्र230733 Rothery, Brian. Standards in the Services Industry. Aldershot, Hampshire : Gower, 1997.
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