Ballantyne, A. P. (1993). Free enterprise: Our heritage, our wealth. Boulder, CO: Colorado Council on Economic Education.
استشهاد بنمط شيكاغوBallantyne, A. Paul. Free Enterprise: Our Heritage, Our Wealth. Boulder, CO: Colorado Council on Economic Education, 1993.
MLA استشهادBallantyne, A. Paul. Free Enterprise: Our Heritage, Our Wealth. Boulder, CO: Colorado Council on Economic Education, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.