Cita APA (7th ed.)

Open University, Boyle, G., Everett, B., & Ramage, J. (2003). Energy systems and sustainability. Oxford University Press, in association with the Open University.

Cita Chicago (17th ed.)

Open University, Godfrey Boyle, Bob Everett, i Janet Ramage. Energy Systems and Sustainability. Oxford ; New York: Oxford University Press, in association with the Open University, 2003.

Cita MLA (8th ed.)

Open University, et al. Energy Systems and Sustainability. Oxford University Press, in association with the Open University, 2003.