Von Neumann, R. (1972). The design and creation of jewelry (Rev. ed.). Chilton Books.
Cita Chicago (17th ed.)Von Neumann, Robert. The Design and Creation of Jewelry. Rev. ed. Radnor, Pennsylvania: Chilton Books, 1972.
Cita MLA (9th ed.)Von Neumann, Robert. The Design and Creation of Jewelry. Rev. ed. Chilton Books, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.