Cita APA (7th ed.)

(2019). Political and economic systems: Capitalism. 3G E-LEARNING.

Cita Chicago (17th ed.)

Political and Economic Systems: Capitalism. New York: 3G E-LEARNING, 2019.

Cita MLA (9th ed.)

Political and Economic Systems: Capitalism. 3G E-LEARNING, 2019.

Atenció: Aquestes cites poden no estar 100% correctes.