Cytowanie według stylu APA (wyd. 7)

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

Cytowanie według stylu Chicago (wyd. 17)

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.

Cytowanie według stylu MLA (wyd. 8)

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