APA استشهاد

Lipsey & Chrystal. (2004). Economics (10th ed.). Oxford university Press.

استشهاد بنمط شيكاغو

Lipsey و Chrystal. Economics. 10th ed. New Delhi: Oxford university Press, 2004.

MLA استشهاد

Lipsey و Chrystal. Economics. 10th ed. Oxford university Press, 2004.