Sommer, A. H. (1968). Photoemissive materials: Preparation, properties, and uses. Wiley.
Cita Chicago (17th ed.)Sommer, A. H. Photoemissive Materials: Preparation, Properties, and Uses. New York: Wiley, 1968.
Cita MLA (8th ed.)Sommer, A. H. Photoemissive Materials: Preparation, Properties, and Uses. Wiley, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.