Yusuf, A. (1982). Legal aspects of trade preferences for developing states: A study in the influence of development needs on the evolution of international law. M. Nijhoff.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYusuf, Abdulqawi. Legal Aspects of Trade Preferences for Developing States: A Study in the Influence of Development Needs on the Evolution of International Law. The Hague: M. Nijhoff, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रYusuf, Abdulqawi. Legal Aspects of Trade Preferences for Developing States: A Study in the Influence of Development Needs on the Evolution of International Law. M. Nijhoff, 1982.
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