Kerr, P. F. (1977). Optical mineralogy. McGraw-Hill.
Cita Chicago (17th ed.)Kerr, Paul F. Optical Mineralogy. New York: McGraw-Hill, 1977.
Cita MLA (9th ed.)Kerr, Paul F. Optical Mineralogy. McGraw-Hill, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.