Kreith, F., & Kreider, J. F. (1978). Principles of solar engineering. Hemisphere.
Cita Chicago (17th ed.)Kreith, Frank, i Jan F. Kreider. Principles of Solar Engineering. Washington, D.C: Hemisphere, 1978.
Cita MLA (9th ed.)Kreith, Frank, i Jan F. Kreider. Principles of Solar Engineering. Hemisphere, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.