Smart, W. (1923). The distribution of income: Being a study of what the national wealth is and how it is distributed according to economic worth (3rd ed.). Macmillan.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Smart, William. The Distribution of Income: Being a Study of What the National Wealth Is and How It Is Distributed According to Economic Worth. 3rd ed. London: Macmillan, 1923.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Smart, William. The Distribution of Income: Being a Study of What the National Wealth Is and How It Is Distributed According to Economic Worth. 3rd ed. Macmillan, 1923.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.