Barbour, D. M. (1912). The standard of value. Macmillan.
芝加哥风格引文Barbour, David M. The Standard of Value. London: Macmillan, 1912.
MLA引文Barbour, David M. The Standard of Value. Macmillan, 1912.
警告：这些引文格式不一定是100％准确.
APA引文
Barbour, D. M. (1912). The standard of value. Macmillan.
芝加哥风格引文Barbour, David M. The Standard of Value. London: Macmillan, 1912.
MLA引文Barbour, David M. The Standard of Value. Macmillan, 1912.