APA ציטוט

Pigou, A. C. (1921). The economics of welfare. London: MacMillan and Co, Ltd.

Trích dẫn kiểu Chicago

Pigou, A. C. The Economics of Welfare. London: MacMillan and Co, Ltd, 1921.

ציטוט MLA

Pigou, A. C. The Economics of Welfare. London: MacMillan and Co, Ltd, 1921.