Watermeyer, B. (1994). The art of diamond cutting. Chapman and Hall.
Cita Chicago (17th ed.)Watermeyer, Basil. The Art of Diamond Cutting. New York: Chapman and Hall, 1994.
Cita MLA (9th ed.)Watermeyer, Basil. The Art of Diamond Cutting. Chapman and Hall, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.