APA引文

Layard, R. (1972). Cost- benefit analysis. Penguin.

芝加哥风格引文

Layard, Richard. Cost- Benefit Analysis. New York: Penguin, 1972.

MLA引文

Layard, Richard. Cost- Benefit Analysis. Penguin, 1972.

警告：这些引文格式不一定是100％准确.