APA (7 वां संस्करण) प्रशस्ति पत्र
Noortmann, M. (2005). Enforcing international law: From self-help to self-contained regimes. Ashgate.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Noortmann, Math. Enforcing International Law: From Self-help to Self-contained Regimes. Aldershot, Hants, England ; Burlington, VT: Ashgate, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Noortmann, Math. Enforcing International Law: From Self-help to Self-contained Regimes. Ashgate, 2005.
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