Cita APA (7th ed.)

Open University, Everett, B., Boyle, G., Peake, S., & Ramage, J. (2012). Energy systems and sustainability: Power for a sustainable future (Second edition.). Oxford University Press, in association with the Open University.

Cita Chicago (17th ed.)

Open University, Bob Everett, Godfrey Boyle, Stephen Peake, i Janet Ramage. Energy Systems and Sustainability: Power for a Sustainable Future. Second edition. Oxford ; New York: Oxford University Press, in association with the Open University, 2012.

Cita MLA (8th ed.)

Open University, et al. Energy Systems and Sustainability: Power for a Sustainable Future. Second edition. Oxford University Press, in association with the Open University, 2012.