Lippe, P. M. v. d. (2007). Index theory and price statistics. Peter Lang.
Cita Chicago (17th ed.)Lippe, Peter Michael von der. Index Theory and Price Statistics. Frankfurt am Main: Peter Lang, 2007.
Cita MLA (9th ed.)Lippe, Peter Michael von der. Index Theory and Price Statistics. Peter Lang, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.