APA (7th ed.) Zitazioa

NG, Y. -. K. Welfare Economics : introduction and development of basic concepts: Yew - Kwang NG.

Chicago Style (17th ed.) Zitazioa

NG, Yew - Kwang. Welfare Economics : Introduction and Development of Basic Concepts: Yew - Kwang NG. London : Macmillan.

MLA (9th ed.) Zitazioa

NG, Yew - Kwang. Welfare Economics : Introduction and Development of Basic Concepts: Yew - Kwang NG.