Dyfyniad APA

Lipsey, R. G., & Chrystal, K. A. (2004). Economics (10th ed.). Oxford University Press.

Dyfyniad Arddull Chicago

Lipsey, Richard G., and K. Alec Chrystal. Economics. 10th ed. New Delhi: Oxford University Press, 2004.

Dyfyniad MLA

Lipsey, Richard G., and K. Alec Chrystal. Economics. 10th ed. Oxford University Press, 2004.

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