APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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