Cita APA (7th ed.)

Shafritz, J. M., & Borick, C. P. (2008). Introducing public policy. Pearson Longman.

Cita Chicago (17th ed.)

Shafritz, Jay M., i Christopher P. Borick. Introducing Public Policy. New York: Pearson Longman, 2008.

Cita MLA (9th ed.)

Shafritz, Jay M., i Christopher P. Borick. Introducing Public Policy. Pearson Longman, 2008.