(2002). The lagal text and schedules: Services (English only) (World Trade Organization Schedules) (CD-ROM). Cambridge, UK: Cambridge University Press.
استشهاد بنمط شيكاغوThe Lagal Text and Schedules: Services (English Only) (World Trade Organization Schedules) (CD-ROM). Cambridge, UK: Cambridge University Press, 2002.
MLA استشهادThe Lagal Text and Schedules: Services (English Only) (World Trade Organization Schedules) (CD-ROM). Cambridge, UK: Cambridge University Press, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.