Dyfyniad APA
Chrystal, K. A., & Lipsey, R. G. (1997). Economics for business and management. Oxford.
Dyfyniad Arddull Chicago
Chrystal, K. Alec, and Richard G. Lipsey. Economics for Business and Management. London: Oxford, 1997.
Dyfyniad MLA
Chrystal, K. Alec, and Richard G. Lipsey. Economics for Business and Management. Oxford, 1997.
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