A Plain person's guide to existing technological systems that affect the marketing travel services in Europe & the USA. British Tourist Authority.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रA Plain Person's Guide to Existing Technological Systems That Affect the Marketing Travel Services in Europe & the USA. London, [England]: British Tourist Authority.
एमएलए (9वां संस्करण) प्रशस्ति पत्रA Plain Person's Guide to Existing Technological Systems That Affect the Marketing Travel Services in Europe & the USA. British Tourist Authority.
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