Johansson, T. B., & Burnham, L. (1993). Renewable energy: Sources for fuels and electricity. Island Press.
Cita Chicago (17th ed.)Johansson, Thomas B., i Laurie Burnham. Renewable Energy: Sources for Fuels and Electricity. Washington, D.C.: Island Press, 1993.
Cita MLA (8th ed.)Johansson, Thomas B., i Laurie Burnham. Renewable Energy: Sources for Fuels and Electricity. Island Press, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.