Pila, J. (2010). On the European Requirement for an Invention.
Cita Chicago (17th ed.)Pila, J. On the European Requirement for an Invention. 2010.
Cita MLA (9th ed.)Pila, J. On the European Requirement for an Invention. 2010.
Atenció: Aquestes cites poden no estar 100% correctes.