APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Adar, K. G., Iroanya, R. O., & Nwonwu, F. O. C. (2008). Towards Africa-oriented risk analysis models: A contextual and methodological approach. Africa Institute of South Africa.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Korwa G. Adar, Richard O. Iroanya, और F. O. C. Nwonwu. Towards Africa-oriented Risk Analysis Models: A Contextual and Methodological Approach. Pretoria: Africa Institute of South Africa, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Towards Africa-oriented Risk Analysis Models: A Contextual and Methodological Approach. Africa Institute of South Africa, 2008.
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