Tabor, D. (2000). The hardness of metals (1a. ed.). Clarendon Press.
Cita Chicago (17th ed.)Tabor, David. The Hardness of Metals. 1a. ed. Oxford: Clarendon Press, 2000.
Cita MLA (9th ed.)Tabor, David. The Hardness of Metals. 1a. ed. Clarendon Press, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.