APA aipamena

Ng,Yew-Kwag. (1979). Welfare economics: Introduction and development of basic concepts. Mac Millan.

Chicago Style aipamena

Ng,Yew-Kwag. Welfare Economics: Introduction and Development of Basic Concepts. London: Mac Millan, 1979.

MLA aipamena

Ng,Yew-Kwag. Welfare Economics: Introduction and Development of Basic Concepts. Mac Millan, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.