APA引文

VAUGHAN, G. D. (1974). An introduction to applied economics. Heinemann.

Chicago Style (17th ed.) Citation

VAUGHAN, G. Douglas. An Introduction to Applied Economics. London: Heinemann, 1974.

MLA引文

VAUGHAN, G. Douglas. An Introduction to Applied Economics. Heinemann, 1974.

警告：這些引文格式不一定是100％准確.