APA-viite (7. p.)
World Bank, ebrary, Inc, & Zeng, D. Z. (2008). Knowledge, technology, and cluster-based growth in Africa. World Bank.
Chicago-viite (17. p.)
World Bank, Inc ebrary, ja Douglas Zhihua Zeng. Knowledge, Technology, and Cluster-based Growth in Africa. Washington, DC: World Bank, 2008.
MLA-viite (9. p.)
World Bank, et al. Knowledge, Technology, and Cluster-based Growth in Africa. World Bank, 2008.
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