Παραπομπή APA

Stone,Richard. (1978). Econometric contributions to public policy: Proceedings of a conference held by the international economic association at urbino,Italy. Macmillan.

Παραπομπή Chicago Style

Stone,Richard. Econometric Contributions to Public Policy: Proceedings of a Conference Held by the International Economic Association at Urbino,Italy. London: Macmillan, 1978.

Παραπομπή MLA

Stone,Richard. Econometric Contributions to Public Policy: Proceedings of a Conference Held by the International Economic Association at Urbino,Italy. Macmillan, 1978.