APA استشهاد

Pollak,Robert A. (1989). The theory of the cost-of-living index. Oxford University Press.

استشهاد بنمط شيكاغو

Pollak,Robert A. The Theory of the Cost-of-living Index. New York: Oxford University Press, 1989.

MLA استشهاد

Pollak,Robert A. The Theory of the Cost-of-living Index. Oxford University Press, 1989.