APA استشهاد

Valdes-Prieto, S. (1997). The economics of pensions: Principles, policies and international experience. Cambridge university press.

استشهاد بنمط شيكاغو

Valdes-Prieto, Salvador. The Economics of Pensions: Principles, Policies and International Experience. New York: Cambridge university press, 1997.

MLA استشهاد

Valdes-Prieto, Salvador. The Economics of Pensions: Principles, Policies and International Experience. Cambridge university press, 1997.