Johnson, S. E., Baxter, C., Bartis, J. T., & Long, D. (2012). Promoting International Energy Security: Volume 4, The Gulf of Guinea. RAND Corporation.
Chicago-čujuhus (17. p.)Johnson, Stuart E., Caroline Baxter, James T. Bartis, juo Duncan Long. Promoting International Energy Security: Volume 4, The Gulf of Guinea. RAND Corporation, 2012.
MLA-čujuhus (9. p.)Johnson, Stuart E., et al. Promoting International Energy Security: Volume 4, The Gulf of Guinea. RAND Corporation, 2012.
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