APA (7 वां संस्करण) प्रशस्ति पत्र
Engdahl, O. (2007). Protection of personnel in peace operations: The role of the "safety convention" against the background of general international law. Nijhoff.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Engdahl, Ola. Protection of Personnel in Peace Operations: The Role of the "Safety Convention" Against the Background of General International Law. Leiden ; Boston: Nijhoff, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Engdahl, Ola. Protection of Personnel in Peace Operations: The Role of the "Safety Convention" Against the Background of General International Law. Nijhoff, 2007.
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