Cita APA (7th ed.)

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.