Cita APA (7th ed.)

Lipsey, R. G., & Chrystal, A. (2015). Economics (13th ed.). Oxford University Press.

Cita Chicago (17th ed.)

Lipsey, Richard G., i Alec Chrystal. Economics. 13th ed. Oxford: Oxford University Press, 2015.

Cita MLA (9th ed.)

Lipsey, Richard G., i Alec Chrystal. Economics. 13th ed. Oxford University Press, 2015.