Cita APA (7th ed.)

McConnell Campbell. (2013). Economics: Principles, Problem, and Policies. McGraw Hill.

Cita Chicago (17th ed.)

McConnell Campbell. Economics: Principles, Problem, and Policies. New Delhi: McGraw Hill, 2013.

Cita MLA (9th ed.)

McConnell Campbell. Economics: Principles, Problem, and Policies. McGraw Hill, 2013.