Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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