Davidson, A. W. (2013). Parry's valuation and investment tables (13th ed.). Routledge/Taylor and Francis Group.
Cita Chicago (17th ed.)Davidson, Alick W. Parry's Valuation and Investment Tables. 13th ed. New York: Routledge/Taylor and Francis Group, 2013.
Cita MLA (8th ed.)Davidson, Alick W. Parry's Valuation and Investment Tables. 13th ed. Routledge/Taylor and Francis Group, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.