JHINGAN, M. L. (2012). Principle of economics. Vrinda Publications.
Cita Chicago (17th ed.)JHINGAN, M. L. Principle of Economics. Vrinda Publications, 2012.
Cita MLA (9th ed.)JHINGAN, M. L. Principle of Economics. Vrinda Publications, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.