APA (7 वां संस्करण) प्रशस्ति पत्र
Koomen, J. E. (2009). Worldly encounters: The politics of global governance and women's human rights in East Africa. UMI.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Koomen, Johanna Engelina. Worldly Encounters: The Politics of Global Governance and Women's Human Rights in East Africa. Ann Arbor, Michigan: UMI, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Koomen, Johanna Engelina. Worldly Encounters: The Politics of Global Governance and Women's Human Rights in East Africa. UMI, 2009.
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