Bradley, K. (1997). Intellectual capital and the new wealth of nations. [s.n.].
Cita Chicago Style (17a ed.)Bradley, Keith. Intellectual Capital and the New Wealth of Nations. [S.l.]: [s.n.], 1997.
Cita MLA (9a ed.)Bradley, Keith. Intellectual Capital and the New Wealth of Nations. [s.n.], 1997.
Precaución: Estas citas no son 100% exactas.