APA引文

(1998). Applied economics: An introductory course. London: Longman.

Trích dẫn kiểu Chicago

Applied Economics: An Introductory Course. London: Longman, 1998.

MLA引文

Applied Economics: An Introductory Course. London: Longman, 1998.

警告：这些引文格式不一定是100％准确.