APA (7th ed.) Zitazioa
ebrary, Inc, Nanang, D. M., & Nunifu, T. K. (2010). Natural resources in Ghana: Mangement, policy, and economics. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, David M. Nanang, eta Thompson K. Nunifu. Natural Resources in Ghana: Mangement, Policy, and Economics. Hauppauge, N.Y.: Nova Science Publishers, 2010.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Natural Resources in Ghana: Mangement, Policy, and Economics. Nova Science Publishers, 2010.
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