(2002). The lagal text and schedules: Services (English only) (World Trade Organization Schedules) (CD-ROM). Cambridge, UK: Cambridge University Press.
शिकागो स्टाइल उद्धरणThe Lagal Text and Schedules: Services (English Only) (World Trade Organization Schedules) (CD-ROM). Cambridge, UK: Cambridge University Press, 2002.
एमएलए उद्धरणThe Lagal Text and Schedules: Services (English Only) (World Trade Organization Schedules) (CD-ROM). Cambridge, UK: Cambridge University Press, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.