APA
Boyle G., Boyle G., . (2004). Renewable energy. New York: Oxford University Press in association with the Open University.
Chicago
Boyle Godfrey, Boyle Godfrey, . 2004. Renewable energy. New York: Oxford University Press in association with the Open University.
Harvard
Boyle G., Boyle G., . (2004). Renewable energy. New York: Oxford University Press in association with the Open University.
MLA
Boyle Godfrey, Boyle Godfrey, . Renewable energy. New York: Oxford University Press in association with the Open University. 2004.