APA استشهاد

Phelps, E. S. (1965). Private wants and public needs: An introduction to a current issue of public policy (Ed.rev.).

استشهاد بنمط شيكاغو

Phelps, Edumund S. Private Wants and Public Needs: An Introduction to a Current Issue of Public Policy. Ed.rev. New York, W W Norton and Company, 1965.

MLA استشهاد

Phelps, Edumund S. Private Wants and Public Needs: An Introduction to a Current Issue of Public Policy. Ed.rev. 1965.