Sinkankas, J. (1962). Gem Cutting: A Lapidary's Manual (2nd ed.). Van Nostrand Reinhold Company.
Chicago ZitierstilSinkankas, John. Gem Cutting: A Lapidary's Manual. 2nd ed. New York: Van Nostrand Reinhold Company, 1962.
MLA ZitierstilSinkankas, John. Gem Cutting: A Lapidary's Manual. 2nd ed. Van Nostrand Reinhold Company, 1962.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.