NG, Y. -. K. Welfare Economics : introduction and development of basic concepts: Yew - Kwang NG.
Citazione stile Chigago Style (17a edizione)NG, Yew - Kwang. Welfare Economics : Introduction and Development of Basic Concepts: Yew - Kwang NG. London : Macmillan.
Citatione MLA (9a ed.)NG, Yew - Kwang. Welfare Economics : Introduction and Development of Basic Concepts: Yew - Kwang NG.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.