Watermeyer, B. (1994). The art of diamond cutting. Chapman and Hall.
Chicago Style aipamenaWatermeyer, Basil. The Art of Diamond Cutting. New York: Chapman and Hall, 1994.
MLA aipamenaWatermeyer, Basil. The Art of Diamond Cutting. Chapman and Hall, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.