APA استشهاد

Koo, B., & Perkins, D. H. (1995). Social Capability and Long Term Economic Growth. Macmillan.

استشهاد بنمط شيكاغو

Koo, Bon-Ho, و Dwight H. Perkins. Social Capability and Long Term Economic Growth. New York: Macmillan, 1995.

MLA استشهاد

Koo, Bon-Ho, و Dwight H. Perkins. Social Capability and Long Term Economic Growth. Macmillan, 1995.