Pressman, D. (2005). Patent it yourself (11a ed.). Nolo Press.
Cita Chicago Style (17a ed.)Pressman, David. Patent It Yourself. 11a ed. Berkeley, USA.: Nolo Press, 2005.
Cita MLA (9a ed.)Pressman, David. Patent It Yourself. 11a ed. Nolo Press, 2005.
Precaución: Estas citas no son 100% exactas.