APA-viite (7. p.)
ebrary, Inc, Obi, C. I., & Rustad, S. A. (2011). Oil and insurgency in the Niger Delta: Managing the complex politics of petro-violence. Zed Books Ltd..
Chicago-viite (17. p.)
ebrary, Inc, C. I. Obi, ja Siri Aas Rustad. Oil and Insurgency in the Niger Delta: Managing the Complex Politics of Petro-violence. London ; New York: Zed Books Ltd., 2011.
MLA-viite (9. p.)
ebrary, Inc, et al. Oil and Insurgency in the Niger Delta: Managing the Complex Politics of Petro-violence. Zed Books Ltd., 2011.
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