Villalobos Céspedes, D. (2015). Production costs, prices and income of firms.
Citación estilo ChicagoVillalobos Céspedes, Daniel. Production Costs, Prices and Income of Firms. 2015.
MLA引文Villalobos Céspedes, Daniel. Production Costs, Prices and Income of Firms. 2015.
警告：這些引文格式不一定是100％准確.