Silver, M. S., & Heravi, S. (2006). Why elementary price index number formulas differ: Price dispersion and product heterogeneity. International Monetary Fund, IMF Institute.
Citazione stile Chigago Style (17a edizione)Silver, M. S., e Saeed Heravi. Why Elementary Price Index Number Formulas Differ: Price Dispersion and Product Heterogeneity. [Washington, D.C.]: International Monetary Fund, IMF Institute, 2006.
Citatione MLA (9a ed.)Silver, M. S., e Saeed Heravi. Why Elementary Price Index Number Formulas Differ: Price Dispersion and Product Heterogeneity. International Monetary Fund, IMF Institute, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.