Lipsey Richard G. (2004). Economics (10th.). Oxford University Press.
Cita Chicago (17th ed.)Lipsey Richard G. Economics. 10th. New Delhi: Oxford University Press, 2004.
Cita MLA (9th ed.)Lipsey Richard G. Economics. 10th. Oxford University Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.