APA引文

Thomas, R. L. (1989). Using mathematics in economics. Longman.

芝加哥风格引文

Thomas, R. L. Using Mathematics in Economics. London: Longman, 1989.

MLA引文

Thomas, R. L. Using Mathematics in Economics. Longman, 1989.

警告：这些引文格式不一定是100％准确.