Pollak,Robert A. (1989). The theory of the cost-of-living index. Oxford University Press.
Čikaški stil citiranjaPollak,Robert A. The Theory of the Cost-of-living Index. New York: Oxford University Press, 1989.
MLA način citiranjaPollak,Robert A. The Theory of the Cost-of-living Index. Oxford University Press, 1989.
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