Παραπομπή APA

McConnell, C. R. (1960). Economics: Principles, problems, and policies/2e (2nd ed. ed.). McGraw-Hill.

Παραπομπή Chicago Style

McConnell, Campbell R. Economics: Principles, Problems, and Policies/2e. 2nd ed. ed. New York: McGraw-Hill, 1960.

Παραπομπή MLA

McConnell, Campbell R. Economics: Principles, Problems, and Policies/2e. 2nd ed. ed. McGraw-Hill, 1960.