APA引文

Ballantyne, A. P. (1993). Free enterprise: Our heritage, our wealth. Boulder, CO: Colorado Council on Economic Education.

Trích dẫn kiểu Chicago

Ballantyne, A. Paul. Free Enterprise: Our Heritage, Our Wealth. Boulder, CO: Colorado Council on Economic Education, 1993.

MLA引文

Ballantyne, A. Paul. Free Enterprise: Our Heritage, Our Wealth. Boulder, CO: Colorado Council on Economic Education, 1993.

警告：这些引文格式不一定是100％准确.