World Trade Organization. Secretariat. (2000). Guide to the GATS: An overview of issues for further liberalization of trade in services. Kluwer Law International.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Trade Organization. Secretariat. Guide to the GATS: An Overview of Issues for Further Liberalization of Trade in Services. Boston, Mass: Kluwer Law International, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Trade Organization. Secretariat. Guide to the GATS: An Overview of Issues for Further Liberalization of Trade in Services. Kluwer Law International, 2000.
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