APA-viite (7. p.)
ebrary, Inc, Simkins, B. J., & Simkins, R. E. (2013). Energy finance: Analysis and valuation, risk management, and the future of energy. Wiley.
Chicago-viite (17. p.)
ebrary, Inc, Betty J. Simkins, ja Russell E. Simkins. Energy Finance: Analysis and Valuation, Risk Management, and the Future of Energy. Hoboken, N.J.: Wiley, 2013.
MLA-viite (9. p.)
ebrary, Inc, et al. Energy Finance: Analysis and Valuation, Risk Management, and the Future of Energy. Wiley, 2013.
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